52 entries under sound topic. ×

28
convincing(adjective, clear, strong, great, direct)
18
compelling(adjective, clear, strong, great, direct)
18
potent(adjective, good, clear, strong, great)
17
powerful(adjective, good, clear, strong, great)
16
cogent(adjective, clear, strong, great, direct)
15
telling(adjective, clear, strong, great, direct)
12
strong(adjective, good, clear, tough)
12
weighty(adjective, good, clear, strong, great)
10
valid(adjective, right, reasonable, solid)
7
conclusive(adjective, reasonable, solid, rational)
6
authoritative(adjective, good, strong, right)
5
logical(adjective, good, right, reasonable)
5
substantial(adjective, good, strong, right)
4
credible(adjective, good, right, reasonable)
4
good(right, reasonable, rational, genuine)
4
solid(good, right, reasonable, rational)
3
efficient(adjective, good, strong, direct)
2
determinative(reasonable, rational)
2
irrefutable(adjective, reasonable, rational)
2
rational(reasonable, solid, realistic, authentic)
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APASmart Define. (2015). persuasive thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/persuasive/thesaurus/synonyms
ChicagoSmart Define. 2015. "persuasive thesaurus" https://smartdefine.org/persuasive/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, persuasive thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/persuasive/thesaurus/synonyms>.
MLASmart Define. "persuasive thesaurus" 20 July 2015. Web. 28 September 2026. <https://smartdefine.org/persuasive/thesaurus/synonyms>