Search Result for "attestor": 
Wordnet 3.0

NOUN (1)

1. (law) a person who attests to the genuineness of a document or signature by adding their own signature;
[syn: witness, attestant, attestor, attestator]


The Collaborative International Dictionary of English v.0.48:

Attester \At*test"er\, Attestor \At*test"or\, n. One who attests. [1913 Webster]
WordNet (r) 3.0 (2006):

attestor n 1: (law) a person who attests to the genuineness of a document or signature by adding their own signature [syn: witness, attestant, attestor, attestator]