100 entries under logical topic. ×
| necessary(clear, sound, reasonable, sensible) | |
| obvious(clear, sound, reasonable, sensible, articulate) | |
| penetrating(understanding, smart, bright, sensitive, perceptive) | |
| profound(smart, bright, sensible, wise, moral) | |
| subtle(clear, sound, reasonable, sensible) | |
| telling(clear, sound, reasonable, sensible, solid) | |
| thorough(sensible, wise, shrewd, systematic) | |
| critical(systematic, investigative) | |
| diagnostic(systematic, investigative) | |
| ethical(adjective, reasonable, sensible, decent, moral) | |
| inquiring(systematic, investigative) | |
| intelligible(sound, articulate, silver-tongued, well-spoken) | |
| investigative | |
| meaningful(adjective, clear, sound, forceful) | |
| moral(adjective, reasonable, sensible, decent) | |
| problem-solving(systematic, investigative) | |
| proven(sound, reasonable, understandable) | |
| questioning(systematic, investigative) | |
| resigned | |
| stoic(straightforward, moral, down-to-earth) |
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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> |