diff --git a/core/lib/src/local/asynchronous/response.rs b/core/lib/src/local/asynchronous/response.rs
index 788ed1b8..06ae18e3 100644
--- a/core/lib/src/local/asynchronous/response.rs
+++ b/core/lib/src/local/asynchronous/response.rs
@@ -30,7 +30,7 @@ use crate::{Request, Response};
 /// #[launch]
 /// fn rocket() -> _ {
 ///     rocket::build().mount("/", routes![hello_world])
-///     #    .configure(rocket::Config::debug_default())
+///     #    .reconfigure(rocket::Config::debug_default())
 /// }
 ///
 /// # async fn read_body_manually() -> io::Result<()> {
diff --git a/core/lib/src/local/blocking/response.rs b/core/lib/src/local/blocking/response.rs
index 6f1e3b82..207f7174 100644
--- a/core/lib/src/local/blocking/response.rs
+++ b/core/lib/src/local/blocking/response.rs
@@ -27,7 +27,7 @@ use super::Client;
 /// #[launch]
 /// fn rocket() -> _ {
 ///     rocket::build().mount("/", routes![hello_world])
-///     #    .configure(rocket::Config::debug_default())
+///     #    .reconfigure(rocket::Config::debug_default())
 /// }
 ///
 /// # fn read_body_manually() -> io::Result<()> {
diff --git a/core/lib/src/local/client.rs b/core/lib/src/local/client.rs
index 9b09ae74..8abc4a48 100644
--- a/core/lib/src/local/client.rs
+++ b/core/lib/src/local/client.rs
@@ -141,7 +141,7 @@ macro_rules! pub_client_impl {
             .merge((config::Config::LOG_LEVEL, config::LogLevel::Debug))
             .select(config::Config::DEBUG_PROFILE);
 
-        Self::tracked(rocket.configure(figment)) $(.$suffix)?
+        Self::tracked(rocket.reconfigure(figment)) $(.$suffix)?
     }
 
     /// Returns a reference to the `Rocket` this client is creating requests
diff --git a/core/lib/src/rocket.rs b/core/lib/src/rocket.rs
index 10a541f1..063089fe 100644
--- a/core/lib/src/rocket.rs
+++ b/core/lib/src/rocket.rs
@@ -197,13 +197,11 @@ impl Rocket<Build> {
         rocket.attach(Shield::default())
     }
 
-    /// Sets the configuration provider in `self` to `provider`.
+    /// Overrides the current configuration provider with `provider`.
     ///
-    /// A [`Figment`] generated from the current `provider` can _always_ be
-    /// retrieved via [`Rocket::figment()`]. However, because the provider can
-    /// be changed at any point prior to ignition, a [`Config`] can only be
-    /// retrieved in the ignite or orbit phases, or by manually extracting one
-    /// from a particular figment.
+    /// The default provider, or a provider previously set with
+    /// [`Rocket::custom()`] or [`Rocket::reconfigure()`], is overriden by
+    /// `provider`.
     ///
     /// # Example
     ///
@@ -229,7 +227,7 @@ impl Rocket<Build> {
     ///     .merge((Config::IDENT, "Example"));
     ///
     /// let rocket = rocket::custom(&config)
-    ///     .configure(figment)
+    ///     .reconfigure(figment)
     ///     .ignite().await?;
     ///
     /// assert_eq!(rocket.config().ident.as_str(), Some("Example"));
@@ -238,7 +236,7 @@ impl Rocket<Build> {
     /// # });
     /// ```
     #[must_use]
-    pub fn configure<T: Provider>(mut self, provider: T) -> Self {
+    pub fn reconfigure<T: Provider>(mut self, provider: T) -> Self {
         self.figment = Figment::from(provider);
         self
     }
@@ -522,7 +520,7 @@ impl Rocket<Build> {
     /// #[rocket::main]
     /// async fn main() -> Result<(), rocket::Error> {
     ///     let rocket = rocket::build()
-    ///         # .configure(rocket::Config::debug_default())
+    ///         # .reconfigure(rocket::Config::debug_default())
     ///         .attach(AdHoc::on_ignite("Manage State", |rocket| async move {
     ///             rocket.manage(String::from("managed string"))
     ///         }));
@@ -918,6 +916,12 @@ impl<P: Phase> Rocket<P> {
     /// `self`. To extract a typed config, prefer to use
     /// [`AdHoc::config()`](crate::fairing::AdHoc::config()).
     ///
+    /// Note; A [`Figment`] generated from the current `provider` can _always_
+    /// be retrieved via this method. However, because the provider can be
+    /// changed at any point prior to ignition, a [`Config`] can only be
+    /// retrieved in the ignite or orbit phases, or by manually extracting one
+    /// from a particular figment.
+    ///
     /// # Example
     ///
     /// ```rust
diff --git a/core/lib/src/sentinel.rs b/core/lib/src/sentinel.rs
index 02d17546..37a149c4 100644
--- a/core/lib/src/sentinel.rs
+++ b/core/lib/src/sentinel.rs
@@ -41,7 +41,7 @@ use crate::{Rocket, Ignite};
 ///
 /// # use rocket::{Config, error::ErrorKind};
 /// # rocket::async_test(async {
-/// #    let result = rocket().configure(Config::debug_default()).ignite().await;
+/// #    let result = rocket().reconfigure(Config::debug_default()).ignite().await;
 /// #    assert!(matches!(result.unwrap_err().kind(), ErrorKind::SentinelAborts(..)));
 /// # })
 /// ```
@@ -76,7 +76,7 @@ use crate::{Rocket, Ignite};
 ///
 /// # use rocket::{Config, error::ErrorKind};
 /// # rocket::async_test(async {
-/// #    rocket().configure(Config::debug_default()).ignite().await.unwrap();
+/// #    rocket().reconfigure(Config::debug_default()).ignite().await.unwrap();
 /// # })
 /// ```
 ///
diff --git a/core/lib/tests/sentinel.rs b/core/lib/tests/sentinel.rs
index 89f7cb54..b9181fa7 100644
--- a/core/lib/tests/sentinel.rs
+++ b/core/lib/tests/sentinel.rs
@@ -9,7 +9,7 @@ fn one_state<'r>(_three: &'r State<u8>, s: &'r str) -> &'r str { s }
 #[async_test]
 async fn state_sentinel_works() {
     let err = rocket::build()
-        .configure(Config::debug_default())
+        .reconfigure(Config::debug_default())
         .mount("/", routes![two_states])
         .ignite().await
         .unwrap_err();
@@ -17,7 +17,7 @@ async fn state_sentinel_works() {
     assert!(matches!(err.kind(), SentinelAborts(vec) if vec.len() == 2));
 
     let err = rocket::build()
-        .configure(Config::debug_default())
+        .reconfigure(Config::debug_default())
         .mount("/", routes![two_states])
         .manage(String::new())
         .ignite().await
@@ -26,7 +26,7 @@ async fn state_sentinel_works() {
     assert!(matches!(err.kind(), SentinelAborts(vec) if vec.len() == 1));
 
     let err = rocket::build()
-        .configure(Config::debug_default())
+        .reconfigure(Config::debug_default())
         .mount("/", routes![two_states])
         .manage(1 as u32)
         .ignite().await
@@ -35,7 +35,7 @@ async fn state_sentinel_works() {
     assert!(matches!(err.kind(), SentinelAborts(vec) if vec.len() == 1));
 
     let result = rocket::build()
-        .configure(Config::debug_default())
+        .reconfigure(Config::debug_default())
         .mount("/", routes![two_states])
         .manage(String::new())
         .manage(1 as u32)
@@ -44,7 +44,7 @@ async fn state_sentinel_works() {
     assert!(result.is_ok());
 
     let err = rocket::build()
-        .configure(Config::debug_default())
+        .reconfigure(Config::debug_default())
         .mount("/", routes![one_state])
         .ignite().await
         .unwrap_err();
@@ -52,7 +52,7 @@ async fn state_sentinel_works() {
     assert!(matches!(err.kind(), SentinelAborts(vec) if vec.len() == 1));
 
     let result = rocket::build()
-        .configure(Config::debug_default())
+        .reconfigure(Config::debug_default())
         .mount("/", routes![one_state])
         .manage(1 as u8)
         .ignite().await;
@@ -60,7 +60,7 @@ async fn state_sentinel_works() {
     assert!(result.is_ok());
 
     let err = rocket::build()
-        .configure(Config::debug_default())
+        .reconfigure(Config::debug_default())
         .mount("/", routes![one_state, two_states])
         .ignite().await
         .unwrap_err();
@@ -68,7 +68,7 @@ async fn state_sentinel_works() {
     assert!(matches!(err.kind(), SentinelAborts(vec) if vec.len() == 3));
 
     let err = rocket::build()
-        .configure(Config::debug_default())
+        .reconfigure(Config::debug_default())
         .mount("/", routes![one_state, two_states])
         .manage(1 as u32)
         .ignite().await
@@ -77,7 +77,7 @@ async fn state_sentinel_works() {
     assert!(matches!(err.kind(), SentinelAborts(vec) if vec.len() == 2));
 
     let err = rocket::build()
-        .configure(Config::debug_default())
+        .reconfigure(Config::debug_default())
         .mount("/", routes![one_state, two_states])
         .manage(1 as u8)
         .ignite().await
@@ -86,7 +86,7 @@ async fn state_sentinel_works() {
     assert!(matches!(err.kind(), SentinelAborts(vec) if vec.len() == 2));
 
     let err = rocket::build()
-        .configure(Config::debug_default())
+        .reconfigure(Config::debug_default())
         .mount("/", routes![one_state, two_states])
         .manage(1 as u32)
         .manage(1 as u8)
@@ -96,7 +96,7 @@ async fn state_sentinel_works() {
     assert!(matches!(err.kind(), SentinelAborts(vec) if vec.len() == 1));
 
     let result = rocket::build()
-        .configure(Config::debug_default())
+        .reconfigure(Config::debug_default())
         .mount("/", routes![one_state, two_states])
         .manage(1 as u32)
         .manage(1 as u8)
@@ -128,7 +128,7 @@ fn with_data(_data: Data) {}
 #[async_test]
 async fn data_sentinel_works() {
     let err = rocket::build()
-        .configure(Config::debug_default())
+        .reconfigure(Config::debug_default())
         .mount("/", routes![with_data])
         .ignite().await
         .unwrap_err();
@@ -136,7 +136,7 @@ async fn data_sentinel_works() {
     assert!(matches!(err.kind(), SentinelAborts(vec) if vec.len() == 1));
 
     let result = rocket::build()
-        .configure(Config::debug_default())
+        .reconfigure(Config::debug_default())
         .mount("/", routes![with_data])
         .manage(Data)
         .ignite().await;
diff --git a/core/lib/tests/shutdown-fairings.rs b/core/lib/tests/shutdown-fairings.rs
index edf0e230..6f8dc031 100644
--- a/core/lib/tests/shutdown-fairings.rs
+++ b/core/lib/tests/shutdown-fairings.rs
@@ -101,7 +101,7 @@ async fn async_slow_shutdown_doesnt_elongate_grace() {
 
     let rocket = rocket::build()
         .manage(Flags::default())
-        .configure(config)
+        .reconfigure(config)
         .attach(AdHoc::on_shutdown("Slow Shutdown", |rocket| Box::pin(async move {
             tokio::time::sleep(std::time::Duration::from_secs(4)).await;
             let flags = rocket.state::<Flags>().unwrap();
@@ -141,7 +141,7 @@ fn background_tasks_dont_prevent_terminate() {
     config.shutdown.grace = 1;
     config.shutdown.mercy = 1;
 
-    let rocket = rocket::build().configure(config).mount("/", routes![index]);
+    let rocket = rocket::build().reconfigure(config).mount("/", routes![index]);
 
     let client = Client::debug(rocket).unwrap();
     let response = client.get("/").dispatch();
diff --git a/docs/guide/09-testing.md b/docs/guide/09-testing.md
index 55395cf6..ba7157fb 100644
--- a/docs/guide/09-testing.md
+++ b/docs/guide/09-testing.md
@@ -180,7 +180,7 @@ testing: we _want_ our tests to panic when something goes wrong.
 ```rust
 # #[rocket::launch]
 # fn rocket() -> _ {
-#     rocket::build().configure(rocket::Config::debug_default())
+#     rocket::build().reconfigure(rocket::Config::debug_default())
 # }
 # use rocket::local::blocking::Client;
 
@@ -194,7 +194,7 @@ application's response:
 # use rocket::uri;
 # #[rocket::launch]
 # fn rocket() -> _ {
-#     rocket::build().configure(rocket::Config::debug_default())
+#     rocket::build().reconfigure(rocket::Config::debug_default())
 # }
 
 # #[rocket::get("/")]
diff --git a/examples/tls/src/tests.rs b/examples/tls/src/tests.rs
index 7cf93d5e..eaede373 100644
--- a/examples/tls/src/tests.rs
+++ b/examples/tls/src/tests.rs
@@ -75,7 +75,7 @@ fn validate_profiles(profiles: &[&str]) {
         };
 
         let figment = Config::figment().merge(config).select(profile);
-        let client = Client::tracked_secure(super::rocket().configure(figment)).unwrap();
+        let client = Client::tracked_secure(super::rocket().reconfigure(figment)).unwrap();
         let response = client.get("/").dispatch();
         assert_eq!(response.into_string().unwrap(), "Hello, world!");
 
diff --git a/testbench/src/main.rs b/testbench/src/main.rs
index da6fc3eb..002fbb06 100644
--- a/testbench/src/main.rs
+++ b/testbench/src/main.rs
@@ -34,28 +34,28 @@ static TLS_CONFIG: &str = r#"
 trait RocketExt {
     fn default() -> Self;
     fn tls_default() -> Self;
-    fn configure_with_toml(self, toml: &str) -> Self;
+    fn reconfigure_with_toml(self, toml: &str) -> Self;
 }
 
 impl RocketExt for Rocket<Build> {
     fn default() -> Self {
-        rocket::build().configure_with_toml(DEFAULT_CONFIG)
+        rocket::build().reconfigure_with_toml(DEFAULT_CONFIG)
     }
 
     fn tls_default() -> Self {
         rocket::build()
-            .configure_with_toml(DEFAULT_CONFIG)
-            .configure_with_toml(TLS_CONFIG)
+            .reconfigure_with_toml(DEFAULT_CONFIG)
+            .reconfigure_with_toml(TLS_CONFIG)
     }
 
-    fn configure_with_toml(self, toml: &str) -> Self {
+    fn reconfigure_with_toml(self, toml: &str) -> Self {
         use rocket::figment::{Figment, providers::{Format, Toml}};
 
         let toml = toml.replace("{ROCKET}", rocket::fs::relative!("../"));
         let config = Figment::from(self.figment())
             .merge(Toml::string(&toml).nested());
 
-        self.configure(config)
+        self.reconfigure(config)
     }
 }
 
@@ -139,7 +139,7 @@ fn tls_info() -> Result<()> {
 
     let server = Server::spawn((), |(token, _)| {
         let rocket = rocket::build()
-            .configure_with_toml(TLS_CONFIG)
+            .reconfigure_with_toml(TLS_CONFIG)
             .mount("/", routes![hello_world]);
 
         token.with_launch(rocket, |rocket| {
@@ -229,7 +229,7 @@ fn test_mtls(mandatory: bool) -> Result<()> {
         }
 
         Rocket::tls_default()
-            .configure_with_toml(&mtls_config)
+            .reconfigure_with_toml(&mtls_config)
             .mount("/", routes![hello, hi])
     })?;
 
@@ -318,7 +318,7 @@ fn sni_resolver() -> Result<()> {
         #[get("/")] fn index() { }
 
         Rocket::default()
-            .configure_with_toml(SNI_TLS_CONFIG)
+            .reconfigure_with_toml(SNI_TLS_CONFIG)
             .mount("/", routes![index])
             .attach(SniResolver::fairing())
     }?;
@@ -348,7 +348,7 @@ fn sni_resolver() -> Result<()> {
 
 fn tcp_unix_listener_fail() -> Result<()> {
     let server = spawn! {
-        Rocket::default().configure_with_toml("[default]\naddress = 123")
+        Rocket::default().reconfigure_with_toml("[default]\naddress = 123")
     };
 
     if let Err(Error::Liftoff(stdout, _)) = server {
@@ -359,7 +359,7 @@ fn tcp_unix_listener_fail() -> Result<()> {
     }
 
     let server = Server::spawn((), |(token, _)| {
-        let rocket = Rocket::default().configure_with_toml("[default]\naddress = \"unix:foo\"");
+        let rocket = Rocket::default().reconfigure_with_toml("[default]\naddress = \"unix:foo\"");
         token.launch_with::<TcpListener>(rocket)
     });