85 entries under reflective topic. ×
| brainy(adjective, reasonable, keen, sensible, deep) | |
| calculating(adjective, reasonable, keen, deep, rational) | |
| cerebral(adjective, reasonable, keen, deep, rational) | |
| discerning(adjective, reasonable, keen, sensible, heavy) | |
| eager(adjective, keen, warm, intense, passionate) | |
| engrossed(adjective, reasonable, keen, deep, rational) | |
| farsighted(adjective, reasonable, keen, deep, rational) | |
| learned(deep, thoughtful, cultured) | |
| levelheaded(adjective, calm, reasonable, sensible, dark) | |
| logical(adjective, reasonable, keen, sensible, deep) | |
| lost in thought(expression, adjective, idiom, reasonable, thoughtful) | |
| mysterious(deep, thoughtful) | |
| philosophic(adjective, reasonable, keen, deep, rational) | |
| philosophical(deep, thoughtful, grand, esteemed) | |
| rapt(adjective, reasonable, keen, deep, rational) | |
| reasoning(adjective, reasonable, keen, deep, rational) | |
| retrospective(adjective, reasonable, keen, deep, rational) | |
| studious(adjective, reasonable, keen, deep, thoughtful) | |
| subjective(adjective, reasonable, keen, deep, rational) | |
| wise(adjective, reasonable, keen, heavy, deep) |
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| APA | Smart Define. (2016). serious thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/serious/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "serious thesaurus" https://smartdefine.org/serious/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, serious thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/serious/thesaurus/synonyms>. |
| MLA | Smart Define. "serious thesaurus" 24 February 2016. Web. 27 September 2026. <https://smartdefine.org/serious/thesaurus/synonyms> |