32 entries under serious topic. ×

26
reflective(adjective, characteristic, quality, sound, reasonable)
23
thoughtful(adjective, characteristic, set, quality, sound)
22
meditative(adjective, characteristic, quality, severe, honest)
9
subjective(adjective, characteristic, quality, reasonable, keen)
7
studious(adjective, reasonable, keen, thought, deep)
5
attentive(adjective, reasonable, thought, thoughtful)
4
melancholy(adjective, reasonable, keen, deep, rational)
2
intellectual(adjective, reasonable, keen, deep, rational)
2
museful(adjective, reasonable, keen, thought, deep)
1
brainy(adjective, reasonable, keen, deep, rational)
1
careful(adjective, sound, reasonable, sharp, sensible)
1
earnest(adjective, set, reasonable, severe, keen)
1
farsighted(adjective, reasonable, keen, deep, rational)
1
keen(adjective, reasonable, sensible, deep, rational)
1
philosophic(adjective, reasonable, keen, deep, rational)
1
retrospective(adjective, reasonable, keen, deep, rational)
0
academic(thoughtful, reflective)
0
assiduous(thoughtful, reflective)
0
bookish(thoughtful, reflective)
0
diligent(thoughtful, reflective)
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APASmart Define. (2015). contemplative thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/contemplative/thesaurus/synonyms
ChicagoSmart Define. 2015. "contemplative thesaurus" https://smartdefine.org/contemplative/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, contemplative thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/contemplative/thesaurus/synonyms>.
MLASmart Define. "contemplative thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/contemplative/thesaurus/synonyms>