52 entries under sound topic. ×

2
reasonable(solid, rational, realistic, authentic)
2
stringent(adjective, good, strong, right)
2
trustworthy(good, right, reasonable, solid)
2
well-founded(good, right, reasonable, rational)
1
authentic(adjective, good, right, reasonable)
1
well-grounded(good, right, reasonable, rational)
0
accurate(reasonable, rational)
0
attested(good, right, reasonable, rational)
0
binding(reasonable, rational)
0
bona fide(expression, good, right, reasonable)
0
confirmed(good, right, reasonable, rational)
0
defensible(reasonable, rational)
0
genuine(good, right, reasonable, rational)
0
in force(expression, good, right, reasonable)
0
just(good, right, reasonable, rational)
0
justifiable(reasonable, rational)
0
kosher(good, right, reasonable, rational)
0
lawful(good, right, reasonable, rational)
0
legal(good, right, reasonable, rational)
0
legit(good, right, reasonable, rational)
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APASmart Define. (2015). persuasive thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/persuasive/thesaurus/synonyms
ChicagoSmart Define. 2015. "persuasive thesaurus" https://smartdefine.org/persuasive/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, persuasive thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/persuasive/thesaurus/synonyms>.
MLASmart Define. "persuasive thesaurus" 20 July 2015. Web. 29 September 2026. <https://smartdefine.org/persuasive/thesaurus/synonyms>