13
solid(adjective, good, clear, sound, correct)
13
good(adjective, open, sound, right, reasonable)
13
real(noun, adjective, clear, correct, firm)
13
satisfactory(adjective, characteristic, good, clear, correct)
12
actual(noun, adjective, correct, honest, exact)
12
just(adjective, good, sound, correct, right)
12
powerful(adjective, clear, power, direct, sound)
11
honest(noun, adjective, open, correct, solid)
11
lawful(adjective, sound, right, proper, genuine)
11
official(adjective, right, honest, true, straight)
11
sensible(adjective, good, clear, open, sound)
11
strong(adjective, power, strength, right, genuine)
10
telling(adjective, good, clear, direct, sound)
10
credible(adjective, open, right, reasonable, true)
10
effectual(adjective, strong, power, influential, legal)
10
efficacious(adjective, strong, power, right, genuine)
10
faithful(adjective, good, correct, reasonable, honest)
10
persuasive(adjective, sound, right, reasonable, solid)
10
potent(adjective, sound, strength, right, reasonable)
10
trustworthy(adjective, good, clear, sound, right)
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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>