Akademik

attestant
noun
1. (law) a person who attests to the genuineness of a document or signature by adding their own signature
Syn: ↑witness, ↑attestor, ↑attestator
Derivationally related forms: ↑attest, ↑witness (for: ↑witness)
Topics: ↑law, ↑jurisprudence
Hypernyms: ↑signer, ↑signatory
2. someone who affirms or vouches for the correctness or truth or genuineness of something
Syn: ↑attester
Derivationally related forms: ↑attest, ↑attest (for: ↑attester)
Hypernyms: ↑witness, ↑witnesser, ↑informant

Useful english dictionary. 2012.