204 entries under rational topic. ×

41
sensible(adjective, good, clear, sound, reasonable)
39
reasonable(adjective, good, clear, sound, reasonable)
25
intelligent(adjective, clear, sound, reasonable, reason)
22
sound(noun, adjective, good, clear, reasonable)
19
wise(adjective, good, clear, sound, reasonable)
18
judicious(adjective, good, clear, sound, reasonable)
16
valid(adjective, clear, sound, right, reasonable)
15
coherent(adjective, clear, sound, smooth, reasonable)
15
consistent(adjective, clear, sound, reasonable, sensible)
14
sane(adjective, sound, reasonable, sensible)
12
plausible(adjective, clear, sound, reasonable, sensible)
12
realistic(adjective, sound, tough, reasonable, sharp)
10
cogent(adjective, clear, sound, reasonable, sensible)
10
commonsensical(adjective, good, clear, sound, reasonable)
9
consequent(adjective, good, clear, sound, reasonable)
8
practical(adjective, adverb, sound, reasonable, sensible)
8
justifiable(adjective, clear, sound, reasonable, sensible)
7
sage(adjective, sound, reasonable, sensible)
7
sober(adjective, good, sound, reasonable, sensible)
6
discerning(adjective, clear, sound, reasonable, sensible)
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APASmart Define. (2015). logical thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/logical/thesaurus/synonyms
ChicagoSmart Define. 2015. "logical thesaurus" https://smartdefine.org/logical/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, logical thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/logical/thesaurus/synonyms>.
MLASmart Define. "logical thesaurus" 19 October 2015. Web. 21 September 2026. <https://smartdefine.org/logical/thesaurus/synonyms>