attestor
at·tes·tor
noun
1.
(law) a person who attests to the genuineness of a document or signature by adding their own signature
Origin
From attest + -or.
Related words
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.