48 entries under rational topic. ×

10
ultimate(adjective, end, sound, reasonable, perfect)
9
convincing(adjective, sound, reasonable, certain)
8
determinative(adjective, end, sound, reasonable, honest)
5
cogent(adjective, sound, reasonable, solid)
5
persuasive(adjective, sound, reasonable, solid)
5
strong(sound, reasonable, certain, definite)
5
telling(adjective, sound, reasonable, solid, certain)
4
compelling(adjective, sound, reasonable, definite)
4
credible(adjective, sound, reasonable, solid)
4
official(adjective, sound, reasonable, true)
4
unanswerable(adjective, sound, reasonable, definite)
3
authentic(adjective, sound, reasonable, solid)
2
binding(set, sound, reasonable, strict)
2
logical(sound, reasonable, forceful, persuasive)
2
proven(sound, reasonable, certainty)
2
substantial(sound, reasonable)
2
true(clear, sound, reasonable, absolute)
2
weighty(sound, reasonable, significant, serious)
1
accurate(sound, reasonable, certain, absolute)
1
genuine(clear, sound, reasonable, certain)
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APASmart Define. (2016). conclusive thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/conclusive/thesaurus/synonyms
ChicagoSmart Define. 2016. "conclusive thesaurus" https://smartdefine.org/conclusive/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, conclusive thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/conclusive/thesaurus/synonyms>.
MLASmart Define. "conclusive thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/conclusive/thesaurus/synonyms>