120 entries under sober topic. ×
| calculating(adjective, reasonable, keen, smart, bright) | |
| cautious(adjective, reasonable, sensible, restrained, modest) | |
| clear-cut(adjective, sound, sensible, intelligent) | |
| considerate(adjective, reasonable, sensible, restrained, modest) | |
| deliberative(adjective, reasonable, keen, deep, intelligent) | |
| engrossed(adjective, reasonable, keen, deep, intelligent) | |
| fair-minded(adjective, sound, reasonable, sensible, healthy) | |
| farsighted(adjective, calm, sound, reasonable, keen) | |
| fit(moderate, honest, sensible, proper, healthy) | |
| grave(adjective, calm, quiet, reasonable, keen) | |
| in right mind(expression, adjective, idiom, understanding, reasonable) | |
| intent(adjective, reasonable, keen, deep, thoughtful) | |
| lost in thought(expression, adjective, idiom, reasonable) | |
| meditative(adjective, reasonable, keen, deep, intelligent) | |
| melancholy(adjective, reasonable, keen, deep, thoughtful) | |
| museful(adjective, reasonable, keen, deep, thoughtful) | |
| musing(adjective, reasonable, keen, deep, thoughtful) | |
| pensive(adjective, reasonable, keen, deep, intelligent) | |
| perceiving(adjective, understanding, sound, sensible, intelligent) | |
| pondering(adjective, reasonable, keen, deep, thoughtful) |
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| APA | Smart Define. (2016). rational thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/rational/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "rational thesaurus" https://smartdefine.org/rational/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, rational thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/rational/thesaurus/synonyms>. |
| MLA | Smart Define. "rational thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/rational/thesaurus/synonyms> |