- Definitions|1
- Thesaurus|256
- Abbreviations|0
| realist | |
| rational(adjective, calm, quiet, reasonable, sensible) | |
| sober(adjective, calm, dull, temperate, peaceful) | |
| sane | |
| sound(adjective, calm, quiet, reasonable, sensible) | |
| reasonable(adjective, calm, quiet, sensible, dark) | |
| balanced | |
| lucid(adjective, calm, quiet, reasonable, sensible) | |
| normal | |
| sensible | |
| alert | |
| alive | |
| practical(adjective, calm, sensible, dark, restrained) | |
| abnegating(adjective, calm, quiet, reasonable, sensible) | |
| abstaining(adjective, calm, quiet, reasonable, sensible) | |
| acute | |
| bright(adjective, intelligent) | |
| collected(adjective, calm, quiet, reasonable, sensible) | |
| logical | |
| perceptive |
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| APA | Smart Define. (2015). clear-headed thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/clear-headed/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "clear-headed thesaurus" https://smartdefine.org/clear-headed/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, clear-headed thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/clear-headed/thesaurus/synonyms>. |
| MLA | Smart Define. "clear-headed thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/clear-headed/thesaurus/synonyms> |