144 entries under rational topic. ×
| absorbed(adjective, reasonable, keen, deep) | |
| advisable(adjective, good, sound, reasonable, sensible) | |
| analytical(adjective, sound, reasonable, keen, sensible) | |
| apathetic(adjective, calm, cool, tough) | |
| arguable(adjective, sound, sensible, intelligent) | |
| believable(adjective, sound, sensible, intelligent) | |
| brainy(adjective, reasonable, keen, deep) | |
| cerebral(adjective, sound, reasonable, sensible) | |
| clear-cut(adjective, sound, sensible, intelligent) | |
| cold-blooded(adjective, calm, cool, tough) | |
| compos mentis(expression, adjective, sound, sensible) | |
| conscious(adjective, sound, reasonable, sensible) | |
| consequent(adjective, good, sound, reasonable, sensible) | |
| consistent(adjective, sound, sensible, intelligent) | |
| credible(adjective, sound, sensible, intelligent) | |
| deadpan(adjective, dull, quiet, set, cool) | |
| discriminating(adjective, sound, reasonable, sensible) | |
| earthy(adjective, hard, sound, tough, reasonable) | |
| emotionless(adjective, tough, straightforward, unfeeling) | |
| engrossed(adjective, reasonable, keen, deep) |
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| APA | Smart Define. (2015). sober thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/sober/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "sober thesaurus" https://smartdefine.org/sober/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, sober thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/sober/thesaurus/synonyms>. |
| MLA | Smart Define. "sober thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/sober/thesaurus/synonyms> |