110 entries under reasonable topic. ×

1
levelheaded(adjective, sound, keen, sensible)
1
lost in thought(expression, adjective, idiom, sober)
1
lucid(clear, sound, sensible, rational)
1
meditative(adjective, keen, deep, rational)
1
melancholy(adjective, keen, deep, rational)
1
most likely(expression, clear, sound, sensible)
1
museful(adjective, keen, deep, rational)
1
musing(adjective, keen, deep, rational)
1
necessary(clear, sound, sensible, rational)
1
normal(sound, sensible, reasoning, intellectual)
1
objective(adjective, sound, honest, sensible)
1
obvious(clear, sound, sensible, rational)
1
pensive(adjective, keen, deep, rational)
1
perspicacious(sound, sensible, intellectual, mental)
1
perspicuous(adjective, clear, sound, sensible)
1
pertinent(clear, sound, sensible, rational)
1
philosophic(adjective, sound, keen, sensible)
1
plausible(clear, sound, sensible, proper)
1
pondering(adjective, keen, deep, rational)
1
preoccupied(adjective, keen, deep, rational)
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APASmart Define. (2015). analytical thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/analytical/thesaurus/synonyms
ChicagoSmart Define. 2015. "analytical thesaurus" https://smartdefine.org/analytical/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, analytical thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/analytical/thesaurus/synonyms>.
MLASmart Define. "analytical thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/analytical/thesaurus/synonyms>