Synonyms|202Antonyms|24|Broader|1Narrower|0Related|29
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reserved(adjective, calm, sensible, dark, restrained)
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responsible
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responsibly
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right-minded
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sagacious
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sage
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sapient
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self-possessed(adjective, moderate, dry, temperate, serious)
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sense
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sensibly
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shrewd
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sighted
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smart
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sobriety
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specific
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tack
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teetotal(temperate, abstemious)
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temperate(adjective, calm, moderate, dry, serious)
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tepid(adjective, calm, restrained, subdued, impassive)
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thick-skinned(adjective, calm, restrained, subdued, impassive)
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APASmart Define. (2015). clear-headed thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/clear-headed/thesaurus/synonyms
ChicagoSmart Define. 2015. "clear-headed thesaurus" https://smartdefine.org/clear-headed/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, clear-headed thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/clear-headed/thesaurus/synonyms>.
MLASmart Define. "clear-headed thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/clear-headed/thesaurus/synonyms>