103 entries under reasonable topic. ×

1
perspicuous(clear, sound, sensible, rational)
1
pertinent(clear, sharp, sensible, penetrating)
1
plausible(clear, sound, sensible, solid)
1
probable(sound, sensible, solid, rational)
1
rational(clear, sound, sensible, solid)
1
relevant(adjective, clear, sound, appropriate)
1
sensible(clear, sound, rational, logical)
1
stringent(adjective, strong, sound, sharp)
1
subtle(clear, sound, sensible, rational)
1
true(sound, rational)
1
trustworthy(sound, solid, rational, realistic)
1
ultimate(sound, rational, definite, precise)
1
unanswerable(sound, rational, definite, precise)
1
well-founded(sound, rational)
1
well-grounded(sound, rational, forceful, persuasive)
1
well-organized(clear, sound, sensible, rational)
1
wise(clear, sound, sensible, rational)
0
acceptable(solid, realistic, persuasive, credible)
0
attested(sound, rational)
0
believeable(solid, realistic, persuasive, credible)
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APASmart Define. (2015). telling thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/telling/thesaurus/synonyms
ChicagoSmart Define. 2015. "telling thesaurus" https://smartdefine.org/telling/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, telling thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/telling/thesaurus/synonyms>.
MLASmart Define. "telling thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/telling/thesaurus/synonyms>