authenticate
verb /ɔːˈθentɪkeɪt/
/ɔːˈθentɪkeɪt/
Verb Forms
| present simple I / you / we / they authenticate | /ɔːˈθentɪkeɪt/ /ɔːˈθentɪkeɪt/ |
| he / she / it authenticates | /ɔːˈθentɪkeɪts/ /ɔːˈθentɪkeɪts/ |
| past simple authenticated | /ɔːˈθentɪkeɪtɪd/ /ɔːˈθentɪkeɪtɪd/ |
| past participle authenticated | /ɔːˈθentɪkeɪtɪd/ /ɔːˈθentɪkeɪtɪd/ |
| -ing form authenticating | /ɔːˈθentɪkeɪtɪŋ/ /ɔːˈθentɪkeɪtɪŋ/ |
- to prove that something is real, true or what somebody claims it is
- authenticate something The letter has been authenticated by handwriting experts.
- authenticate something as something Experts have authenticated the writing as that of Byron himself.
Oxford Collocations DictionaryAuthenticate is used with these nouns as the object:- document
Word Originearly 17th cent.: from medieval Latin authenticat- ‘established as valid’, from the verb authenticare, from late Latin authenticus ‘genuine’, from Greek authentikos ‘principal, genuine’.