authentication C2+ Topic:Cause, Change & Process US /ɔˌθɛntɪˈkeɪʃən/ UK /ɔːˌθɛntɪˈkeɪʃən/ See IPA manual Meanings 1 noun the process of verifying that something is genuine or valid Authentication of the manuscript took experts the better part of a year. Thesaurus Synonyms 1 noun · the process of verifying... verificationvalidationconfirmationcertificationcorroborationsubstantiation ↔ Opposites falsificationforgery Word family Related forms authenticateauthenticauthenticityauthentically Etymology AI details From authenticate + -ion. Authenticate derives from Medieval Latin authenticare, from Late Latin authenticus, from Ancient Greek authentikos ('genuine'). authenticus Latin authentikos Ancient Greek View etymology graph -> Topics Cause, Change & Process Word Formation & Derivatives External links Cambridge Dictionary Wiktionary Google Images # authentication **Type:** Word **Level:** C2+ **Part of speech:** noun **IPA (US):** /ɔˌθɛntɪˈkeɪʃən/ **IPA (UK):** /ɔːˌθɛntɪˈkeɪʃən/ ## Meanings 1. the process of verifying that something is genuine or valid ## Examples - Authentication of the manuscript took experts the better part of a year. ## Synonyms - verification - validation - confirmation - certification - corroboration - substantiation ## Antonyms - falsification - forgery ## Related Forms - authenticate - authentic - authenticity - authentically ## Roots and Affixes - Root: authenticus - Root: authentikos ## Etymology From authenticate + -ion. Authenticate derives from Medieval Latin authenticare, from Late Latin authenticus, from Ancient Greek authentikos ('genuine'). ## AI Etymology Authentication is a noun meaning "the process of verifying that something is genuine or valid". Historically, it is from authenticate + -ion. Authenticate derives from Medieval Latin authenticare, from Late Latin authenticus, from Ancient Greek authentikos ('genuine'). The visible construction is part of the etymology: authentication is not just an unanalyzed simple word. The modern meaning, "the process of verifying that something is genuine or valid", follows the base word through the added English ending. The historical chain links Latin authenticus with Ancient Greek authentikos. Close English family members include authenticate, authentic, authenticity, and authentically. ## Topics - Cause, Change & Process - Word Formation & Derivatives markdown