97 entries under sound topic. ×

6
well-grounded(adjective, good, correct, right)
5
cogent(adjective, good, correct, reasonable)
5
rational(adjective, good, reasonable, honest)
4
legit(adjective, good, open, correct)
4
logical(adjective, good, right, reasonable)
4
powerful(good, right, reasonable, rational)
4
solid(adjective, good, correct, right)
3
constant(adjective, good, close, correct)
2
authentic(adjective, good, close, open)
2
authoritative(good, right, reasonable, rational)
2
binding(reasonable, rational)
2
credible(adjective, good, close, open, direct)
2
defensible(reasonable, rational)
2
distinguished(decent, moral, worthy, prominent)
2
forthright(adjective, good, open, honest)
2
substantial(good, right, reasonable, rational)
2
weighty(good, right, reasonable, rational)
1
confirmed(adjective, good, right, reasonable)
1
convincing(reasonable, appropriate, rational, suitable)
1
efficacious(adjective, good, right, reasonable)
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APASmart Define. (2016). just thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/just/thesaurus/synonyms
ChicagoSmart Define. 2016. "just thesaurus" https://smartdefine.org/just/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, just thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/just/thesaurus/synonyms>.
MLASmart Define. "just thesaurus" 29 March 2016. Web. 28 September 2026. <https://smartdefine.org/just/thesaurus/synonyms>