100 entries under logical topic. ×

53
reasonable(adjective, calm, good, quiet, hard)
44
sensible(adjective, calm, good, clear, understanding)
38
sound(noun, adjective, calm, good, quiet)
35
intelligent(adjective, clear, sound, reasonable, moderate)
34
sane(adjective, calm, hard, sound, reasonable)
32
judicious(adjective, calm, good, clear, understanding)
31
wise(adjective, calm, good, clear, understanding)
23
sober(adjective, calm, good, dull, hard)
21
normal(adjective, sound, reasonable, sensible, ordinary)
21
intellectual(adjective, good, sound, reasonable, smart)
20
lucid(adjective, calm, quiet, clear, sound)
17
sagacious(adjective, understanding, sound, reasonable, keen)
16
realistic(adjective, calm, hard, sound, tough)
16
thinking(adjective, sound, reasonable, keen, smart)
14
discriminating(adjective, clear, sound, reasonable, sensible)
12
commonsensical(adjective, calm, good, clear, sound)
12
cool(adjective, calm, good, sound, reasonable)
12
reasoning(noun, adjective, sound, reasonable, sensible)
12
balanced(adjective, calm, sound, reasonable, reason)
10
plausible(adjective, clear, sound, reasonable, sensible)
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APASmart Define. (2016). rational thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/rational/thesaurus/synonyms
ChicagoSmart Define. 2016. "rational thesaurus" https://smartdefine.org/rational/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, rational thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/rational/thesaurus/synonyms>.
MLASmart Define. "rational thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/rational/thesaurus/synonyms>