100 entries under logical topic. ×

3
theoretical(adjective, moral, metaphysical)
2
clear(sound, reasonable, sensible, forceful)
2
cognitive(adjective, sound, reasonable, sensible, intelligent)
2
comprehensible(sound, articulate, silver-tongued, well-spoken)
2
far-sighted(adjective, calm, sound, reasonable, sensible)
2
learned(adjective, intelligent, thoughtful, wise, moral)
2
orderly(adjective, sound, applied, hands-on)
2
perspicuous(adjective, clear, sound, reasonable, sensible)
2
understandable(sound, moderate, honest, proper)
1
compelling(clear, sound, reasonable, sensible, forceful)
1
conclusive(sound, reasonable, solid, realistic, forceful)
1
congruent(clear, sound, reasonable, sensible)
1
deducible(clear, sound, reasonable, sensible)
1
deep(adjective, good, reasonable, keen, sharp)
1
extensional(clear, sound, reasonable, sensible)
1
factual(reasonable, straightforward, useful, realistic)
1
germane(clear, sound, reasonable, sensible)
1
inferential(clear, sound, reasonable, sensible)
1
juridicious(clear, sound, reasonable, sensible)
1
kosher(clear, sound, reasonable, sensible)
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APASmart Define. (2016). rational thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/rational/thesaurus/synonyms
ChicagoSmart Define. 2016. "rational thesaurus" https://smartdefine.org/rational/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, rational thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/rational/thesaurus/synonyms>.
MLASmart Define. "rational thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/rational/thesaurus/synonyms>