180 entries under reasonable topic. ×

2
intelligent(adjective, sound, sensible, significant)
2
knowing(adjective, sound, sensible, alert)
2
logical(adjective, good, sound, sensible)
2
measured(adjective, calm, quiet, soft)
2
nonpartisan(adjective, calm, sensible, indifferent)
2
philosophic(adjective, calm, sound, sensible)
2
reliable(adjective, calm, good, sound)
2
sagacious(adjective, sound, smooth, smart)
2
self-restrained(adjective, quiet, gentle, informal)
2
sentient(adjective, alert, significant, familiar)
2
unexcessive(adjective, calm, quiet, mild)
2
wise(adjective, calm, good, sound)
1
adequate(adjective, good, pleasant, moderate)
1
astute(adjective, sound, tough, sharp)
1
average(adjective, good, pleasant, moderate)
1
balmy(adjective, calm, quiet, weak, smooth)
1
canny(adjective, smooth, sharp, smart)
1
cerebral(adjective, sound, sensible, rational)
1
clement(adjective, calm, weak, smooth, pleasant)
1
cognitive(adjective, sound, sensible, rational)
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APASmart Define. (2016). cool thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/cool/thesaurus/synonyms
ChicagoSmart Define. 2016. "cool thesaurus" https://smartdefine.org/cool/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, cool thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/cool/thesaurus/synonyms>.
MLASmart Define. "cool thesaurus" 29 March 2016. Web. 25 September 2026. <https://smartdefine.org/cool/thesaurus/synonyms>