44 entries under reasonable topic. ×

5
believable(adjective, sound, sensible, rational)
5
credible(adjective, sound, sensible, rational)
5
plausible(adjective, sound, sensible, rational)
5
tenable(adjective, sound, sensible, rational)
3
rational(adjective, sound, sensible, intelligent)
3
viable(adjective, sound, rational, conceivable)
2
defendable(adjective, sound, rational, conceivable)
2
defensible(adjective, sound, rational, justified)
2
maintainable(adjective, sound, rational, justified)
1
justifiable(adjective, sound, sensible, rational)
1
logical(adjective, sound, sensible, rational)
1
sound(adjective, sensible, rational, intelligent)
0
acceptable(sound, rational, justified, defensible)
0
admissible(justified, defensible)
0
allowable(justified, defensible)
0
condonable(sound, rational, justified, defensible)
0
correct(justified, defensible)
0
excusable(sound, rational, justified, defensible)
0
fair(justified, defensible)
0
fit(justified, defensible)
<123>
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APASmart Define. (2015). arguable thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/arguable/thesaurus/synonyms
ChicagoSmart Define. 2015. "arguable thesaurus" https://smartdefine.org/arguable/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, arguable thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/arguable/thesaurus/synonyms>.
MLASmart Define. "arguable thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/arguable/thesaurus/synonyms>