authenticateverb [ T ]
uk/ɔːˈθen.tɪ.keɪt/us/ɑːˈθen.t̬ə.keɪt/to prove that something is real, true, or what people say it is:
They used carbon dating tests to authenticate the claim that the skeleton was two million years old.
Thesaurus: synonyms and related words
Proving and disproving
- actions speak louder than words idiom
- attest
- back sb up
- bear witness (to sth) idiom
- belie
- burden
- catch
- colour
- documentary
- evidence
- explode
- explosion
- give the lie to sth idiom
- proof
- stick
- testament
- the acid test
- the burden of proof idiom
- undocumented
- unsubstantiated
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authentication
noun [ U ] uk/ɔːˌθen.tɪˈkeɪ.ʃən/us/ɑːˌθen.t̬əˈkeɪ.ʃən/