45 entries under reasonable topic. ×

1
judicious(clear, sound, sensible, rational)
1
juridicious(clear, sound, sensible, rational)
1
justifiable(clear, sound, sensible, rational)
1
kosher(clear, sound, sensible, rational)
1
legit(clear, sound, sensible, rational)
1
legitimate(adjective, clear, sound, sensible)
1
lucid(clear, sound, sensible, rational)
1
most likely(expression, clear, sound, sensible)
1
necessary(clear, sound, sensible, rational)
1
obvious(clear, sound, sensible, rational)
1
perceptive(clear, sound, sensible, rational)
1
perspicuous(clear, sound, sensible, rational)
1
pertinent(clear, sound, sensible, rational)
1
plausible(clear, sound, sensible, rational)
1
probable(sound, sensible, rational)
1
rational(adjective, clear, sound, sensible)
1
relevant(clear, sound, sensible, rational)
1
sensible(adjective, clear, sound, rational)
1
sound(clear, sensible, rational, logical)
1
subtle(clear, sound, sensible, rational)
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APASmart Define. (2015). extensional thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/extensional/thesaurus/synonyms
ChicagoSmart Define. 2015. "extensional thesaurus" https://smartdefine.org/extensional/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, extensional thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/extensional/thesaurus/synonyms>.
MLASmart Define. "extensional thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/extensional/thesaurus/synonyms>