authenticate (B2)

verb

Pronunciation: /ɔːˈθɛntɪkeɪt/

Definition

To prove that something is real, true, or genuine, or to establish the identity of someone or something.

Examples

• Please authenticate your account by entering your username and password.

• The museum authenticated the painting as a genuine Picasso.

• The security system will authenticate your fingerprint before granting access.

How to Use authenticate

authenticate as (prepositional phrase)

To prove one's identity as a particular person or entity. — "The software allows users to authenticate as administrators."

authenticate with (prepositional phrase)

To prove one's identity using a specific method or tool. — "You need to authenticate with your fingerprint to unlock the phone."

Synonyms of authenticate

Words with a similar meaning to authenticate:

• verify
• validate
• substantiate
• corroborate

Antonyms of authenticate

Words with the opposite meaning to authenticate:

• discredit
• refute

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