75 entries under reasonable topic. ×

1
wistful(adjective, keen, deep, rational)
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balanced(sound, sensible, reasoning, intellectual)
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calm(sound, sensible, reasoning, intellectual)
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circumspect(sound, sensible, reasoning, intellectual)
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collected(sound, sensible, reasoning, intellectual)
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deliberate(sound, sensible, reasoning, intellectual)
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discriminating(sound, sensible, reasoning, intellectual)
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enlightened(sound, sensible, reasoning, intellectual)
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far-sighted(sound, sensible, reasoning, intellectual)
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knowing(sound, sensible, reasoning, intellectual)
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lucid(sound, sensible, reasoning, intellectual)
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perspicacious(sound, sensible, reasoning, intellectual)
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prudent(sound, sensible, reasoning, intellectual)
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realistic(adjective, sound, sensible, rational)
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sagacious(sound, sensible, reasoning, intellectual)
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APASmart Define. (2015). cerebral thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/cerebral/thesaurus/synonyms
ChicagoSmart Define. 2015. "cerebral thesaurus" https://smartdefine.org/cerebral/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, cerebral thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/cerebral/thesaurus/synonyms>.
MLASmart Define. "cerebral thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/cerebral/thesaurus/synonyms>