195 entries under reasonable topic. ×

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cool as cucumber(expression, idiom, calm, sensible)
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coolheaded(calm, sound, sensible, rational)
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economical(adjective, sensible, careful, practical)
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even-tempered(calm, sound, sensible, rational)
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exact(adjective, good, sensible, solid)
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impartial(sound, sensible, reasoning, intellectual)
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objective(sound, sensible, reasoning, intellectual)
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probable(sound, sensible, rational)
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stable(sound, sensible, rational, reasoning)
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synthetic(sound, sensible, reasoning, intellectual)
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thrifty(adjective, sensible, careful, practical)
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true(adjective, good, sensible, solid)
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understandable(adjective, rational, logical, inferential)
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unflappable(calm, sound, sensible)
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with all marbles(expression, idiom, calm, sensible)
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APASmart Define. (2016). wise thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/wise/thesaurus/synonyms
ChicagoSmart Define. 2016. "wise thesaurus" https://smartdefine.org/wise/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, wise thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/wise/thesaurus/synonyms>.
MLASmart Define. "wise thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/wise/thesaurus/synonyms>