60 entries under sound topic. ×

3
trustworthy(adjective, good, open, correct)
2
solid(good, right, reasonable, material)
2
substantial(adjective, good, right, reasonable)
2
sure(adjective, correct, warm, total)
2
veridical(adjective, correct, right, honest)
1
complete(adjective, correct, warm, total)
1
irrefutable(reasonable, material, rational, absolute)
1
just(good, fair, proper, candid)
1
justifiable(reasonable, proper, rational, just)
1
legit(adjective, good, honest, straight)
1
precise(adjective, correct, right, honest)
1
unerring(adjective, correct, right, honest)
1
well-founded(good, right, reasonable, rational)
1
well-grounded(good, right, reasonable, rational)
0
binding(reasonable, rational)
0
cogent(reasonable, honest, rational, straight)
0
compelling(reasonable, rational)
0
conclusive(reasonable, rational, absolute, indisputable)
0
confirmed(good, right, reasonable, rational)
0
convincing(reasonable, pure, rational, original)
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APASmart Define. (2016). bona fide thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/bona_fide/thesaurus/synonyms
ChicagoSmart Define. 2016. "bona fide thesaurus" https://smartdefine.org/bona_fide/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, bona fide thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/bona_fide/thesaurus/synonyms>.
MLASmart Define. "bona fide thesaurus" 31 March 2016. Web. 29 September 2026. <https://smartdefine.org/bona_fide/thesaurus/synonyms>