authenticate

From Wiktionary

Pronunciation[change]

Verb[change]

Plain form
authenticate

Third-person singular
authenticates

Past tense
authenticated

Past participle
authenticated

Present participle
authenticating

  1. (transitive) If you authenticate something, you prove or show that it is genuine, or valid.
    He didn't manage to authenticate the portrait, it's probably a fake.

Related words[change]