Synonyms|551Antonyms|169|Broader|5Narrower|2Related|871

82 entries under rational topic. ×

1
consistent(adjective, clear, sound, reasonable, sensible)
1
cool(adjective, sound, sensible, intelligent)
1
deducible(clear, sound, reasonable, sensible)
1
defendable(adjective, sound, reasonable)
1
discerning(clear, sound, reasonable, sensible)
1
discriminating(clear, sound, reasonable, sensible)
1
equitable(adjective, sound, moderate, honest, sensible)
1
extensional(clear, sound, reasonable, sensible)
1
germane(clear, sound, reasonable, sensible)
1
inferential(clear, sound, reasonable, sensible)
1
juridicious(clear, sound, reasonable, sensible)
1
level-headed(adjective, sound, honest, sensible)
1
levelheaded(adjective, open, sound, honest, sensible)
1
lucid(clear, sound, reasonable, sensible)
1
maintainable(adjective, sound, reasonable)
1
necessary(clear, sound, reasonable, sensible)
1
obvious(clear, sound, reasonable, sensible)
1
perceiving(adjective, sound, sensible, intelligent)
1
perceptive(clear, sound, reasonable, sensible)
1
percipient(adjective, sound, sensible, intelligent)
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ChicagoSmart Define. 2015. "plausible thesaurus" https://smartdefine.org/plausible/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, plausible thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/plausible/thesaurus/synonyms>.
MLASmart Define. "plausible thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/plausible/thesaurus/synonyms>