- Definitions|1
- Thesaurus|256
- Abbreviations|0
| took the pledge(expression, adjective, idiom, moderate, dry) | |
| tranquil | |
| unaltered(adjective, calm, restrained, subdued, impassive) | |
| unchanged(adjective, calm, restrained, subdued, impassive) | |
| unconcerned(adjective, calm, restrained, subdued, impassive) | |
| understandable | |
| understanding | |
| unenthusiastic(adjective, calm, restrained, subdued, impassive) | |
| unflappable | |
| unflustered | |
| unimpressed(adjective, calm, restrained, subdued, impassive) | |
| uninfluenced(adjective, calm, restrained, subdued, impassive) | |
| unmoved(adjective, calm, restrained, subdued, impassive) | |
| unperturbed | |
| unresponsive(adjective, calm, restrained, subdued, impassive) | |
| unstirred(adjective, calm, restrained, subdued, impassive) | |
| untouched(adjective, calm, restrained, subdued, impassive) | |
| useful | |
| valid | |
| well-advised |
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| APA | Smart Define. (2015). clear-headed thesaurus. Retrieved September 24, 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 24, 2026). |
| Harvard | Smart Define 2015, clear-headed thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/clear-headed/thesaurus/synonyms>. |
| MLA | Smart Define. "clear-headed thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/clear-headed/thesaurus/synonyms> |