* Formal: The system requires users to authenticate with a password and username.
* Informal: I authenticated my account using the security code sent to my phone.
* Technical: The digital signature authenticated the document's origin and ensured its integrity.
* Specific: The website uses two-factor authentication to authenticate user accounts.
* Descriptive: The museum used a laser scanner to authenticate the authenticity of the ancient artifact.
These examples show different ways to use "authenticated" in different contexts, depending on the level of formality and the specific meaning you want to convey.