72 entries under reasonable topic. ×

1
lucid(adjective, sound, sensible, intellectual)
1
meditative(adjective, keen, deep, rational)
1
melancholy(adjective, keen, deep, rational)
1
museful(adjective, keen, deep, rational)
1
musing(adjective, keen, deep, rational)
1
normal(adjective, sound, sensible, intellectual)
1
objective(adjective, sound, sensible, intellectual)
1
pensive(adjective, keen, deep, rational)
1
pondering(adjective, keen, deep, rational)
1
preoccupied(adjective, keen, deep, rational)
1
rapt(adjective, keen, deep, rational)
1
ratiocinative(adjective, sound, sensible, intellectual)
1
reasoning(adjective, sound, keen, sensible)
1
reflecting(adjective, keen, deep, rational)
1
retrospective(adjective, keen, deep, rational)
1
serious(adjective, keen, deep, rational)
1
sober(adjective, calm, cool, sound)
1
sound(adjective, sensible, knowledgeable, intellectual)
1
stable(adjective, sound, sensible, intellectual)
1
studious(adjective, keen, deep, sober)
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APASmart Define. (2015). philosophic thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/philosophic/thesaurus/synonyms
ChicagoSmart Define. 2015. "philosophic thesaurus" https://smartdefine.org/philosophic/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, philosophic thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/philosophic/thesaurus/synonyms>.
MLASmart Define. "philosophic thesaurus" 13 April 2015. Web. 29 September 2026. <https://smartdefine.org/philosophic/thesaurus/synonyms>