75 entries under rational topic. ×

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compos mentis(expression, sensible, healthy, stable)
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fair-minded(sensible, healthy, stable, sober)
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having all marbles(expression, idiom, sensible, healthy)
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healthy(sensible, stable, sober, well-balanced)
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moderate(sensible, healthy, stable, sober)
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of sound mind(expression, idiom, sensible, healthy)
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oriented(sensible, healthy, stable, sober)
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playing with full deck(expression, idiom, sensible, healthy)
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right(sensible, healthy, stable, sober)
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right-minded(sensible, healthy, stable, sober)
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self-possessed(sensible, healthy, stable, sober)
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stable(enlightened, studious, well-balanced, deep-thinking)
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steady(sensible, healthy, stable, sober)
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well(sensible, healthy, stable, sober)
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well-balanced(stable, wise, shrewd, acute)
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APASmart Define. (2015). sage thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/sage/thesaurus/synonyms
ChicagoSmart Define. 2015. "sage thesaurus" https://smartdefine.org/sage/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, sage thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/sage/thesaurus/synonyms>.
MLASmart Define. "sage thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/sage/thesaurus/synonyms>