authenticate
Translation
to authenticate, to verify, to validate
Examples
An expert authenticated the signature.
An expert authenticated the signature.
You must authenticate your identity to log in.
You must authenticate your identity to log in.
Grammar Patterns
to authenticate ((sth.)) to prove that (sth.) is real or true An expert authenticated the signature.
Similar Words
Synonyms: verify, validate, certify; Antonyms: invalidate, disprove
Etymology
Derived from 'authentic'. The '-ate' suffix makes it a verb, meaning 'to make authentic'.
Memory Tips
To 'authenticate' is to prove something is 'authentic'.