- Definitions|2
- Thesaurus|2.1k
- Abbreviations|0
80 entries under reasonable topic. ×
| engrossed(adjective, keen, deep, rational) | |
| sober(adjective, sound, keen, sensible) | |
| sound(adjective, sensible, reasoning, intellectual) | |
| attentive(adjective, keen, deep, rational) | |
| brainy(adjective, keen, smart, bright) | |
| deductive(adjective, sound, sensible, reasoning) | |
| knowing(noun, adjective, understanding, sound) | |
| melancholy(adjective, keen, deep, rational) | |
| museful(adjective, keen, thought, deep) | |
| plausible(adjective, reasoning, intellectual, mental) | |
| prudent(sound, sensible, reasoning, intellectual) | |
| ratiocinative(adjective, sound, sensible, reasoning) | |
| sane(adjective, sound, sensible, reasoning) | |
| studious(adjective, keen, thought, deep) | |
| wistful(adjective, keen, thought, deep) | |
| circumspect(sound, sensible, reasoning, intellectual) | |
| cogent | |
| cognitive(sound, sensible, reasoning, intellectual) | |
| enlightened(sound, smart, bright, sensible) | |
| judicious(adjective, sound, sensible, reasoning) |
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| APA | Smart Define. (2016). thinking thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/thinking/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "thinking thesaurus" https://smartdefine.org/thinking/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, thinking thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/thinking/thesaurus/synonyms>. |
| MLA | Smart Define. "thinking thesaurus" 11 February 2016. Web. 22 September 2026. <https://smartdefine.org/thinking/thesaurus/synonyms> |