15 entries under proof topic. ×

36
onlooker(noun, person, see, awareness, witness)
30
witness(noun, person, attendant, observer)
30
watcher(noun, person, see, awareness, witness)
24
eyewitness(noun, person, witness, testimony)
17
looker-on(noun, person, see, awareness, witness)
6
attestant(noun, witness, testimony, observer)
2
attestor(noun, witness, testimony, observer)
2
deponent(noun, witness, testimony, observer)
2
rubbernecker(noun, witness, testimony, observer)
2
testifier(noun, witness, testimony, observer)
1
corroborator(noun, witness, testimony, observer)
1
gawker(noun, witness, testimony, observer)
1
signatory(noun, witness, testimony, observer)
1
signer(noun, witness, testimony, observer)
1
testimony(noun, witness, observer, watcher)
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APASmart Define. (2015). spectator thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/spectator/thesaurus/synonyms
ChicagoSmart Define. 2015. "spectator thesaurus" https://smartdefine.org/spectator/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, spectator thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/spectator/thesaurus/synonyms>.
MLASmart Define. "spectator thesaurus" 26 October 2015. Web. 22 September 2026. <https://smartdefine.org/spectator/thesaurus/synonyms>