authenticate

US /ɑːˈθen.t̬ə.keɪt/
UK /ɑːˈθen.t̬ə.keɪt/
1.

doğrulamak

to prove that something is real, true, or what people say it is:

:
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They used carbon dating tests to authenticate the claim that the skeleton was two million years old.
:
authenticauthenticity