20 entries under rational topic. ×

13
justifiable(adjective, sound, right, reasonable, slight)
10
reasonable(adjective, sound, allowable, justified)
6
tenable(adjective, sound, right, reasonable)
5
condonable(adjective, sound, reasonable, allowable)
5
plausible(adjective, sound, reasonable, vindication)
5
vindicable(adjective, sound, reasonable, allowable)
5
warrantable(adjective, sound, reasonable, allowable)
2
acceptable(adjective, sound, reasonable, justified)
1
defendable(sound, reasonable)
0
arguable(sound, reasonable, justified, defensible)
0
believable(sound, reasonable)
0
credible(sound, reasonable)
0
impregnable(sound, reasonable)
0
maintainable(sound, reasonable, justified, defensible)
0
reliable(sound, reasonable)
0
secure(sound, reasonable)
0
sound(reasonable, justified, defensible)
0
strong(sound, reasonable)
0
trustworthy(sound, reasonable)
0
viable(sound, reasonable)
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APASmart Define. (2015). excusable thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/excusable/thesaurus/synonyms
ChicagoSmart Define. 2015. "excusable thesaurus" https://smartdefine.org/excusable/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, excusable thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/excusable/thesaurus/synonyms>.
MLASmart Define. "excusable thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/excusable/thesaurus/synonyms>