Found 2 items, similar to attestor.
English → English (WordNet)
Definition: attestor
attestor
n : (law) a person who attests to the genuineness of a document
or signature by adding their own signature [syn:
witness,
attestant,
attestator]
English → English (gcide)
Definition: Attestor
Attester
\At*test"er\, Attestor
\At*test"or\, n.
One who attests.
[1913 Webster]