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authenticate

Pronunciation: /ɔːˈθɛntɪkeɪt/

Translate authenticate | into German | into Italian | into Spanish

Definition of authenticate

verb

[with object]

prove or show (something) to be true, genuine, or valid:they were invited to authenticate artefacts from the Italian Renaissance
[no object] Computing (of a user or process) have one’s identity verified: it only accepts commands from users who have authenticated as ‘clients’

Derivatives

authentication
authenticator

Origin:

early 17th century: from medieval Latin authenticat- 'established as valid', from the verb authenticare, from late Latin authenticus 'genuine' (see authentic)