84 entries under reasonable topic. ×

16
defendable(adjective, attack, sound, rational)
15
tenable(adjective, attack, sound, right)
14
justifiable(adjective, sound, right, slight)
9
excusable(adjective, sound, right, slight)
9
proper(adjective, legal, justified, justifiable)
8
permissible(adjective, slight, legal, justified)
7
fit(adjective, justified, justifiable)
6
legal(adjective, sound, rational, legal)
6
legitimate(adjective, sound, rational, legal)
6
maintainable(adjective, sound, rational, defended)
6
pardonable(adjective, slight, proper, vindication)
5
allowable(adjective, slight, proper, understandable)
5
lawful(adjective, sound, rational, legal)
5
logical(adjective, sound, rational, justified)
5
plausible(adjective, sound, rational, vindication)
4
forgivable(adjective, slight, proper, understandable)
4
right(adjective, sound, rational, legal)
4
vindicable(adjective, sound, rational, justified)
3
condonable(adjective, sound, rational, justified)
3
good(sound, rational)
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APASmart Define. (2016). defensible thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/defensible/thesaurus/synonyms
ChicagoSmart Define. 2016. "defensible thesaurus" https://smartdefine.org/defensible/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, defensible thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/defensible/thesaurus/synonyms>.
MLASmart Define. "defensible thesaurus" 29 March 2016. Web. 20 September 2026. <https://smartdefine.org/defensible/thesaurus/synonyms>