Meaning & use

authenticate

verb·Everyday

Last updated

To prove or verify that something is genuine, true, or what it claims to be.

See it in a sentence

Experts authenticated the painting as an original Rembrandt.

The app asks you to authenticate your identity with a fingerprint.

A note on using this word

Widely used in both everyday technology, such as logging into an account, and specialized fields like art appraisal and document verification.

Words with a similar meaning

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