verb
authenticate
o-THEHN-tih-kayt
verb
1
To prove that something is genuine or real.
"Experts were called in to authenticate the painting before the auction."
2
To confirm a person's identity, especially before granting access to something.
"The app authenticates users with a fingerprint scan."
How to Use Authenticate
Learner’s notesIn plain EnglishTo prove something is genuine, or to verify someone's identity.
Common pairings
authenticate a document
authenticate a user
Word Forms
more authenticate comparative, authenticated past tense, authenticates singular, most authenticate superlative
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Experts were called in to _____ the painting before the auction.
Etymology
From authentic plus the verb-forming suffix -ate.