| 释义 | authenticateau‧then‧tic‧ate /ɔːˈθentɪkeɪt $ ɒː-/ verb [transitive]    VERB TABLEauthenticate |
 | Present | I, you, we, they | authenticate |  |  | he, she, it | authenticates |  | Past | I, you, he, she, it, we, they | authenticated |  | Present perfect | I, you, we, they | have authenticated |  |  | he, she, it | has authenticated |  | Past perfect | I, you, he, she, it, we, they | had authenticated |  | Future | I, you, he, she, it, we, they | will authenticate |  | Future perfect | I, you, he, she, it, we, they | will have authenticated | 
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 | Present | I | am authenticating |  |  | he, she, it | is authenticating |  |  | you, we, they | are authenticating |  | Past | I, he, she, it | was authenticating |  |  | you, we, they | were authenticating |  | Present perfect | I, you, we, they | have been authenticating |  |  | he, she, it | has been authenticating |  | Past perfect | I, you, he, she, it, we, they | had been authenticating |  | Future | I, you, he, she, it, we, they | will be authenticating |  | Future perfect | I, you, he, she, it, we, they | will have been authenticating | 
to prove that something is true or real:Her company authenticates paintings and other works of art.The Loch Ness Monster's existence has not been authenticated.
 But Western culture was very reluctant to authenticate reports of meteorite falls.Digital certificates provide electronic credentials that enable authenticated and encrypted communications and transactions between sites and individuals over the Internet.Flammer, 24, took the stand to authenticate his pictures Tuesday.Minorities, especially ethnic minorities, are used to authenticate the affective, melodramatic component of contemporary narratives.Once the first impact crater had been authenticated, other candidates quickly became known.She emphasised that everything becomes collectable in time, particularly when its history and date of manufacture can be authenticated.These influences might partly be attributed to the official who authenticated the Cologne decree, Asclipiodus.This component can be viewed as the means of authenticating the data.
 The painting has been authenticated by experts.  passwords which can authenticate electronic documents—authentication /ɔːˌθentɪˈkeɪʃən $ ɒː-/ noun [uncountable] |