- Definitions|2
- Thesaurus|2k
- Abbreviations|0
89 entries under rational topic. ×
| psychical(adjective, intellect, intellectual, supernatural) | |
| reasoning(adjective, reasonable, keen, heavy) | |
| studious(adjective, reasonable, intelligent, thoughtful) | |
| absorbed(adjective, reasonable, keen, deep) | |
| analytical(adjective, reasonable, keen, deep) | |
| cogitative(adjective, reasonable, keen, deep) | |
| contemplative(adjective, reasonable, keen, deep) | |
| deliberative(adjective, reasonable, keen, deep) | |
| engrossed(adjective, reasonable, keen, deep) | |
| imaginative(smart, bright, heavy, intellectual) | |
| intellective(intelligent, thoughtful, serious, wise) | |
| intent(adjective, reasonable, keen, deep) | |
| inventive(smart, bright, intelligent, brilliant) | |
| meditative(adjective, reasonable, keen, deep) | |
| melancholy(adjective, reasonable, keen, deep) | |
| museful(adjective, reasonable, keen, deep) | |
| musing(adjective, reasonable, keen, deep) | |
| pensive(adjective, reasonable, keen, deep) | |
| phrenic(heavy, intelligent, thoughtful, knowledgeable) | |
| pondering(adjective, reasonable, keen, deep) |
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| APA | Smart Define. (2016). brainy thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/brainy/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "brainy thesaurus" https://smartdefine.org/brainy/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, brainy thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/brainy/thesaurus/synonyms>. |
| MLA | Smart Define. "brainy thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/brainy/thesaurus/synonyms> |