15 entries under serious topic. ×

9
preoccupied(adjective, characteristic, reasonable, rational, thoughtful)
8
attentive(adjective, characteristic, reasonable, thoughtful)
7
absorbed(adjective, characteristic, reasonable, rational, intelligent)
7
engrossed(adjective, characteristic, reasonable, rational, intelligent)
7
melancholy(adjective, characteristic, reasonable, rational, thoughtful)
6
earnest(adjective, characteristic, reasonable, rational, thoughtful)
6
intent(adjective, characteristic, reasonable, rational, thoughtful)
6
keen(adjective, characteristic, reasonable, rational, thoughtful)
6
retrospective(adjective, characteristic, reasonable, rational, thoughtful)
6
subjective(adjective, characteristic, reasonable, rational, thoughtful)
5
calculating(adjective, characteristic, reasonable, rational, thoughtful)
5
farsighted(adjective, characteristic, reasonable, rational, thoughtful)
5
museful(adjective, characteristic, reasonable, rational, thoughtful)
5
philosophic(adjective, characteristic, reasonable, rational, thoughtful)
5
reflecting(adjective, characteristic, reasonable, rational, thoughtful)
11 years ago|2.5k views|share |citing 
APASmart Define. (2015). ruminative thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/ruminative/thesaurus/synonyms
ChicagoSmart Define. 2015. "ruminative thesaurus" https://smartdefine.org/ruminative/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, ruminative thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/ruminative/thesaurus/synonyms>.
MLASmart Define. "ruminative thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/ruminative/thesaurus/synonyms>