attestor
NounWordNet 3.0
Noun (1)
- (law) a person who attests to the genuineness of a document or signature by adding their own signatureSynonyms: witnessattestantattestator
Webster's Dictionary (GCIDE)
Attester \At*test"er\, Attestor \At*test"or\, n. One who attests. [1913 Webster]