attester

English Thesaurus

1. someone who affirms or vouches for the correctness or truth or genuineness of something (noun.person)

hypernym	:	informant, witness, witnesser,
definition	:	someone who sees an event and reports what happened (noun.person)

derivation	:	attest,
definition	:	authenticate, affirm to be true, genuine, or correct, as in an official capacity (verb.communication)

derivation	:	attest,
definition	:	authenticate, affirm to be true, genuine, or correct, as in an official capacity (verb.communication)