Synonyms for certify | certify synonyms

attest (verb)

Synonyms:

testify, vouch, notarize.

confirm (verb)

Synonyms:

verify, validate, authenticate, corroborate, assure, prove, ascertain.

witness (noun)

Synonyms:

evidence.

affirm (verb)

Synonyms:

reaffirm.

reconfirm, acknowledge, certification, certificate, certifying, verifying, proving, confirming, reassure, confirmation, proof,