19 entries under observer topic. ×

19
spectator(noun, person, witness, slouch, laggard)
18
watcher(noun, person, witness, fan, testimony)
16
onlooker(noun, person, witness, fan)
15
eyewitness(noun, person, see, witness, fan)
15
witness(noun, person, see, fan)
14
bystander(noun, person, witness, fan, slouch)
13
beholder(noun, person, witness, fan)
8
looker-on(noun, witness, fan, testimony)
3
attestant(noun, witness, proof, testimony)
3
attestor(noun, witness, proof, testimony)
3
testimony(noun, witness, proof, watcher)
2
proof(noun, witness, testimony, watcher)
1
corroborator(noun, witness, proof, testimony)
1
deponent(noun, witness, proof, testimony)
1
gawker(noun, witness, proof, testimony)
1
rubbernecker(noun, witness, proof, testimony)
1
signatory(noun, witness, proof, testimony)
1
signer(noun, witness, proof, testimony)
1
testifier(noun, witness, proof, testimony)
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APASmart Define. (2016). viewer thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/viewer/thesaurus/synonyms
ChicagoSmart Define. 2016. "viewer thesaurus" https://smartdefine.org/viewer/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, viewer thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/viewer/thesaurus/synonyms>.
MLASmart Define. "viewer thesaurus" 26 February 2016. Web. 20 September 2026. <https://smartdefine.org/viewer/thesaurus/synonyms>