3
level-headed(adjective, characteristic, intelligence, cleverness, smartness)
3
matter-of-fact(adjective, characteristic, intelligence, cleverness, smartness)
3
perspicacious(adjective, characteristic, intelligence, cleverness, smartness)
3
politic(adjective, characteristic, intelligence, cleverness, smartness)
3
ruminative
3
scholarly(adjective, characteristic, intelligence, cleverness, smartness)
3
sensing(adjective, characteristic, intelligence, cleverness, smartness)
3
sentient(adjective, characteristic, intelligence, cleverness, smartness)
3
sophic(adjective, characteristic, intelligence, cleverness, smartness)
3
tactful(adjective, characteristic, intelligence, cleverness, smartness)
3
taught(adjective, characteristic, intelligence, cleverness, smartness)
3
together(adjective, characteristic, intelligence, cleverness, smartness)
3
understanding(adjective, characteristic, intelligence, cleverness, smartness)
3
wary(adjective, characteristic, intelligence, cleverness, smartness)
3
well-informed(adjective, characteristic, intelligence, cleverness, smartness)
3
well-reasoned(adjective, characteristic, intelligence, cleverness, smartness)
3
well-thought-out(adjective, characteristic, intelligence, cleverness, smartness)
3
witting(adjective, characteristic, intelligence, cleverness, smartness)
3
witty(adjective, characteristic, intelligence, cleverness, smartness)
2
grave(adjective, gloomy)
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APASmart Define. (2016). silly thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/silly/thesaurus/antonyms
ChicagoSmart Define. 2016. "silly thesaurus" https://smartdefine.org/silly/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2016, silly thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/silly/thesaurus/antonyms>.
MLASmart Define. "silly thesaurus" 20 January 2016. Web. 23 September 2026. <https://smartdefine.org/silly/thesaurus/antonyms>