authenticate

/əˈθɛntɪkeɪt/
verb
  1. To prove that something is real, true, or genuine.
    • You need to authenticate your identity before accessing the account.
    • The expert authenticated the painting as a genuine Picasso.
    • The museum uses special tools to authenticate ancient artifacts.
  2. To confirm the identity of a user, usually by entering a password or using a security method.
    • Please authenticate your login by entering your password.
    • The app uses fingerprint scanning to authenticate users.
    • You must authenticate your email address to complete the registration.
Antonyms
What does "authenticate" mean? | whatsthatwordmean | whatsthatwordmean