Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “authenticate”

See all translations

authenticate

verb [T]
 
 
/ɔːˈθentɪkeɪt/ US   /ɑːˈθenṱɪ-/
to prove that something is real, true, or what people say it is: Each of these signatures must be authenticated by a lawyer. Holograms can be used to authenticate documents.
IT to prove that someone is a particular person: A password is used to authenticate a user. We offer electronic certificates that authenticate the identity of internet traders.
authentication /ɔːˌθentɪˈkeɪʃən/ US   /ɑːˌθenṱɪ-/ noun [U]
Translations of “authenticate”
in Chinese (Traditional) 證明…是真實的, 確認…的真實性, 證實…
in Chinese (Simplified) 证明…是真实的, 确认…的真实性, 证实…
(Definition of authenticate from the Cambridge Business English Dictionary © Cambridge University Press)
What is the pronunciation of authenticate?
Add Cambridge dictionaries to your browser to your website

Definitions of “authenticate” in other dictionaries

Word of the Day

christmassy

typical of Christmas, or happy because it is Christmas

Word of the Day

Cleavage proves divisive in Cambridge’s words of 2014

by Alastair Horne,
December 19, 2014
​​​​ Other dictionaries may choose faddish novelties as their words of the year, but here at Cambridge, we like to do something different. We look for the words that have seen sudden surges in searches over the course of the year – words that have been baffling users of English and driven them

Read More 

cinderella surgery noun

December 15, 2014
cosmetic surgery to the feet We have all heard of people having nose jobs, boob jobs and liposuction – but now a new trend growing in popularity in America: Cinderella surgery.

Read More