50 entries under rational 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, sound, tough)
12
weighty(adjective, good, clear, strong, great)
10
valid(adjective, sound, right, reasonable, solid)
7
conclusive(adjective, sound, reasonable, solid)
6
sound(noun, adjective, clear, strong, direct)
5
logical(adjective, good, sound, right, reasonable)
4
good(sound, right, reasonable, genuine)
4
solid(good, sound, right, reasonable)
3
efficient(adjective, good, strong, direct, sound)
2
determinative(sound, reasonable)
2
irrefutable(adjective, sound, reasonable)
2
reasonable(sound, solid, realistic, authentic)
2
stringent(adjective, good, strong, sound, right)
2
trustworthy(good, sound, right, reasonable, solid)
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APASmart Define. (2015). persuasive thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/persuasive/thesaurus/synonyms
ChicagoSmart Define. 2015. "persuasive thesaurus" https://smartdefine.org/persuasive/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, persuasive thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/persuasive/thesaurus/synonyms>.
MLASmart Define. "persuasive thesaurus" 20 July 2015. Web. 25 September 2026. <https://smartdefine.org/persuasive/thesaurus/synonyms>