62 entries under right topic. ×

10
telling(adjective, good, clear, direct, sound)
10
credible(adjective, open, reasonable, true)
10
efficacious(adjective, strong, power, genuine)
10
persuasive(adjective, sound, reasonable, solid)
10
potent(adjective, sound, strength, reasonable)
10
trustworthy(adjective, good, clear, sound)
10
weighty(adjective, clear, sound, reasonable)
9
well-founded(adjective, good, sound, reasonable)
9
confirmed(adjective, sound, reasonable, rational)
8
well-grounded(adjective, good, sound, reasonable)
8
compelling(adjective, clear, direct, sound)
8
irrefutable(adjective, clear, sound, reasonable)
7
binding(adjective, characteristic, sound, reasonable)
7
reliable(adjective, good, clear, open)
6
attested(adjective, sound, reasonable, rational)
6
conclusive(adjective, clear, sound, reasonable)
6
in force(expression, adjective, idiom, strong, power)
6
kosher(adjective, open, honest, sensible)
6
legit(adjective, good, clear, open, direct)
6
original(adjective, quality, sound, reasonable)
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APASmart Define. (2016). valid thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/valid/thesaurus/synonyms
ChicagoSmart Define. 2016. "valid thesaurus" https://smartdefine.org/valid/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, valid thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/valid/thesaurus/synonyms>.
MLASmart Define. "valid thesaurus" 31 March 2016. Web. 20 September 2026. <https://smartdefine.org/valid/thesaurus/synonyms>