noun
1. (law) a person who attests to the genuineness of a document or signature by adding their own signature
• Syn: ↑witness, ↑attestor, ↑attestator
• Topics: ↑law, ↑jurisprudence
2. someone who affirms or vouches for the correctness or truth or genuineness of something
• Syn: ↑attester
Useful english dictionary. 2012.