30 entries under noun topic. ×

12
onlooker(person, see, awareness, witness)
10
spectator(person, see, awareness, witness)
9
observer(see, awareness, witness, fan)
9
watcher(see, awareness, witness, fan)
8
bystander(person, see, awareness, witness)
8
eyewitness(person, witness, fan, testimony)
8
viewer(witness, fan, testimony, observer)
7
witness(proof, fan, observer, spectator)
5
beholder(see, awareness, witness, fan)
3
looker
3
gazer
2
passerby
1
attestant(witness, proof, testimony, observer)
1
attestor(witness, proof, testimony, observer)
1
audience
1
corroborator(witness, proof, testimony, observer)
1
deponent(witness, proof, testimony, observer)
1
gawker(witness, proof, testimony, observer)
1
perceiver
1
proof(witness, testimony, observer, watcher)
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APASmart Define. (2016). looker-on thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/looker-on/thesaurus/synonyms
ChicagoSmart Define. 2016. "looker-on thesaurus" https://smartdefine.org/looker-on/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, looker-on thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/looker-on/thesaurus/synonyms>.
MLASmart Define. "looker-on thesaurus" 26 February 2016. Web. 30 September 2026. <https://smartdefine.org/looker-on/thesaurus/synonyms>