- Definitions|2
- Thesaurus|3k
- Abbreviations|0
204 entries under rational topic. ×
| conclusive(sound, reasonable, reasoning, forceful) | |
| congruent(adjective, clear, sound, reasonable) | |
| cool(adjective, good, sound, reasonable, sensible) | |
| defensible(adjective, sound, reasonable, justified) | |
| efficacious(good, sound, right, reasonable) | |
| erudite(adjective, moral, intellectual, theoretical) | |
| healthy(sensible, stable, sober, well-balanced) | |
| highbrow(intelligent, knowledgeable, intellectual) | |
| intellectual(adjective, good, sound, reasonable, sensible) | |
| learned(adjective, intelligent, moral, knowledgeable) | |
| legal(adjective, good, sound, right, reasonable) | |
| legit(adjective, good, clear, sound, right) | |
| matter-of-fact(adjective, reasonable, sober, wise) | |
| moderate(adjective, sound, sensible, healthy) | |
| of sound mind(expression, adjective, idiom, sensible) | |
| plain(adjective, clear, sensible, alert) | |
| scholarly(adjective, intelligent, knowledgeable, intellectual) | |
| smart(alert, perceptive, intellectual, lucid) | |
| steady(adjective, sound, sensible, healthy) | |
| substantial(good, sound, right, reasonable) |
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| APA | Smart Define. (2015). logical thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/logical/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "logical thesaurus" https://smartdefine.org/logical/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, logical thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/logical/thesaurus/synonyms>. |
| MLA | Smart Define. "logical thesaurus" 19 October 2015. Web. 24 September 2026. <https://smartdefine.org/logical/thesaurus/synonyms> |