506 entries under adjective topic. ×
| thoughtful(good, sound, reasonable, sensible) | |
| acceptable(sound, reasonable, honest, solid) | |
| all there(expression, idiom, calm, good) | |
| analytical(clear, sound, reasonable, reason) | |
| brainy(understanding, reasonable, keen, sharp) | |
| consequent(good, clear, sound, reasonable) | |
| credible(sound, reasonable, sensible, solid) | |
| discerning(clear, understanding, sound, reasonable) | |
| informed(reasonable, sensible, stable, intelligent) | |
| justifiable(clear, sound, reasonable, honest) | |
| knowledgeable(smart, experience, know, capable) | |
| levelheaded(calm, good, quiet, hard) | |
| mental(mind, intelligent, thoughtful, intellect) | |
| responsible(smart, bright, deliberate, mature) | |
| sapient(sound, reason, sensible, proper) | |
| stable(sound, reasonable, sensible, normal) | |
| believable(sound, reasonable, honest, sensible) | |
| clear-headed(calm, quiet, reasonable, sensible) | |
| cogent(clear, sound, reasonable, sensible) | |
| coherent(clear, sound, reasonable, sensible) |
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| APA | Smart Define. (2016). rational thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/rational/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "rational thesaurus" https://smartdefine.org/rational/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, rational thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/rational/thesaurus/synonyms>. |
| MLA | Smart Define. "rational thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/rational/thesaurus/synonyms> |