89 entries under sound topic. ×

32
believable(adjective, open, reasonable, honest)
31
reasonable(adjective, reasonable, slight, sensible)
27
credible(adjective, open, reasonable, honest)
23
probable(adjective, reasonable, sensible, solid)
15
rational(adjective, clear, reasonable, sensible)
11
tenable(adjective, reasonable, slight, sensible)
9
sensible(adjective, clear, open, reasonable)
9
acceptable(adjective, reasonable, honest, solid)
9
logical(adjective, clear, reasonable, sensible)
6
cogent(adjective, clear, reasonable, sensible)
6
trustworthy(adjective, reasonable, solid, rational)
5
justifiable(adjective, clear, reasonable, slight)
5
most likely(expression, clear, reasonable, sensible)
5
reliable(adjective, open, reasonable, honest)
4
arguable(adjective, reasonable, sensible, rational)
4
defensible(adjective, reasonable, rational, vindication)
4
excusable(adjective, reasonable, rational, vindication)
4
intelligent(adjective, clear, reasonable, sensible)
4
wise(adjective, clear, reasonable, sensible)
3
judicious(adjective, clear, reasonable, honest)
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APASmart Define. (2015). plausible thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/plausible/thesaurus/synonyms
ChicagoSmart Define. 2015. "plausible thesaurus" https://smartdefine.org/plausible/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, plausible thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/plausible/thesaurus/synonyms>.
MLASmart Define. "plausible thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/plausible/thesaurus/synonyms>