54 entries under reasonable topic. ×

4
sober(adjective, set, severe, keen)
2
intellectual(adjective, keen, deep, rational)
2
museful(adjective, keen, thought, deep)
2
rational(adjective, keen, sensible, deep)
2
sound(sharp, sensible, careful, intelligent)
1
analytical(adjective, keen, deep, rational)
1
brainy(adjective, keen, deep, rational)
1
calculating(adjective, keen, sensible, deep)
1
careful(adjective, sound, sharp, sensible)
1
cerebral(adjective, keen, deep, rational)
1
deep(adjective, keen, rational, thoughtful)
1
discerning(adjective, sound, keen, sharp)
1
earnest(adjective, set, severe, keen)
1
farsighted(adjective, keen, deep, rational)
1
grave(adjective, set, severe, keen)
1
keen(adjective, sensible, deep, rational)
1
levelheaded(adjective, keen, deep, rational)
1
logical(adjective, keen, deep, rational)
1
lost in thought(expression, adjective, idiom, thoughtful)
1
philosophic(adjective, keen, deep, rational)
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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>