185 entries under rational topic. ×
| perceiving(adjective, sensible, intelligent, sober) | |
| pertinent(clear, reasonable, sensible, forceful) | |
| reflective(adjective, reasonable, sharp, smart, honest) | |
| relevant(clear, reasonable, sensible, forceful) | |
| sedate(adjective, calm, quiet, reasonable, firm) | |
| self-possessed(adjective, calm, firm, sensible, solid) | |
| severe(adjective, calm, quiet, hard, reasonable) | |
| solemn(adjective, calm, quiet, correct, reasonable) | |
| somber(adjective, calm, quiet, reasonable, sensible) | |
| staid(adjective, calm, quiet, reasonable, firm) | |
| subtle(clear, reasonable, sensible, logical) | |
| systematic(adjective, reasonable, sensible, solid) | |
| unbiased(adjective, sensible, intelligent, thoughtful) | |
| unexcited(adjective, calm, quiet, reasonable, sensible) | |
| unimpassioned(adjective, calm, quiet, reasonable, sensible) | |
| unprejudiced(adjective, sensible, intelligent, thoughtful) | |
| vindicable(reasonable, justified, defensible) | |
| warrantable(reasonable, justified, defensible) | |
| well-organized(clear, reasonable, sensible, stable) | |
| well-reasoned(adjective, reasonable, sober, wise) |
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| APA | Smart Define. (2016). sound thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/sound/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "sound thesaurus" https://smartdefine.org/sound/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, sound thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/sound/thesaurus/synonyms>. |
| MLA | Smart Define. "sound thesaurus" 24 March 2016. Web. 27 September 2026. <https://smartdefine.org/sound/thesaurus/synonyms> |