verb
- proves or confirms that something is genuine, real, or true
Usage: third person singular present tense of authenticate
Examples
- The museum authenticates each painting before adding it to their collection.
- A digital signature authenticates the sender of an email message.
- The bank authenticates your identity using multiple security questions.
- Carbon dating authenticates the age of ancient artifacts.
- The expert authenticates rare coins for collectors.
- Two-factor authentication authenticates users through their phone and password.