99 entries under rational topic. ×
| kosher(adjective, clear, sound, reasonable, bright) | |
| legit(clear, sound, reasonable, sensible) | |
| necessary(clear, sound, reasonable, sensible) | |
| no-nonsense(adjective, calm, quiet, reasonable, sensible) | |
| peaceful dull(expression, calm, quiet, reasonable, dark) | |
| pertinent(clear, sound, reasonable, sensible) | |
| plausible(clear, sound, reasonable, sensible) | |
| relevant(clear, sound, reasonable, sensible) | |
| right-minded(adjective, sound, sensible, healthy) | |
| sagacious(sound, reasonable, sensible, healthy) | |
| sage(sensible, healthy, stable, sober) | |
| sedate(adjective, calm, quiet, reasonable, sensible) | |
| severe(adjective, calm, quiet, reasonable, sensible) | |
| solemn(adjective, calm, quiet, reasonable, sensible) | |
| somber(adjective, calm, quiet, reasonable, sensible) | |
| staid(adjective, calm, quiet, reasonable, sensible) | |
| steady(adjective, calm, quiet, sound, reasonable) | |
| subtle(clear, sound, reasonable, sensible) | |
| unexcited(adjective, calm, quiet, reasonable, sensible) | |
| unimpassioned(adjective, calm, quiet, reasonable, sensible) |
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| APA | Smart Define. (2016). lucid thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/lucid/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "lucid thesaurus" https://smartdefine.org/lucid/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, lucid thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/lucid/thesaurus/synonyms>. |
| MLA | Smart Define. "lucid thesaurus" 31 March 2016. Web. 27 September 2026. <https://smartdefine.org/lucid/thesaurus/synonyms> |