192 entries under sound topic. ×

1
businesslike(hard, reasonable, sharp, sensible)
1
clear-cut(adjective, sensible, intelligent, sober)
1
compelling(clear, reasonable, sensible, forceful)
1
conclusive(reasonable, solid, realistic, forceful)
1
congruent(clear, reasonable, sensible, logical)
1
deducible(clear, reasonable, sensible, logical)
1
defendable(adjective, reasonable, conceivable, tenable)
1
defensible(adjective, reasonable, conceivable, tenable)
1
efficacious(reasonable, sensible, wise, shrewd)
1
efficient(reasonable, practical, realistic, applied)
1
extensional(clear, reasonable, sensible, logical)
1
fair-minded(adjective, reasonable, sensible, healthy)
1
farsighted(adjective, calm, reasonable, keen)
1
germane(clear, reasonable, sensible, logical)
1
holding together(expression, clear, reasonable, sensible)
1
holding water(expression, clear, reasonable, sensible)
1
inferential(clear, reasonable, sensible, logical)
1
irrefutable
1
juridicious(clear, reasonable, sensible, logical)
1
kosher(clear, reasonable, sensible, logical)
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APASmart Define. (2016). rational thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/rational/thesaurus/synonyms
ChicagoSmart Define. 2016. "rational thesaurus" https://smartdefine.org/rational/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, rational thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/rational/thesaurus/synonyms>.
MLASmart Define. "rational thesaurus" 29 March 2016. Web. 27 September 2026. <https://smartdefine.org/rational/thesaurus/synonyms>