10
signer(noun, witness, proof, testimony, observer)
4
endorser(noun, party, witness, recorder, registrar)
4
subscriber
3
undersigned
2
cosigner(noun, party, witness, signer)
2
interest
2
notary(noun, public)
2
party
2
signatories
2
signature(noun, name, seal)
2
witness(noun, party, proof, observer, recorder)
1
abhorrer
1
attestant(noun, witness, proof, testimony, observer)
1
attestor(noun, witness, proof, testimony, observer)
1
beholder(noun, witness, proof, testimony, observer)
1
bystander(noun, witness, proof, testimony, observer)
1
commissioner for oaths
1
corroborator(noun, witness, proof, testimony, observer)
1
deponent(noun, witness, proof, testimony, observer)
1
eyewitness(noun, witness, proof, testimony, observer)
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APASmart Define. (2015). signatory thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/signatory/thesaurus/synonyms
ChicagoSmart Define. 2015. "signatory thesaurus" https://smartdefine.org/signatory/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, signatory thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/signatory/thesaurus/synonyms>.
MLASmart Define. "signatory thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/signatory/thesaurus/synonyms>