2
rightful(reasonable, justified)
2
unassailable(adjective, safety)
2
valid(adjective, sound, reasonable, rational, justified)
1
authenticate
1
authoritative(adjective, sound, reasonable, rational)
1
autonomy(noun, sustainability)
1
balanced
1
conceivable(adjective, tenable)
1
conditional
1
credible(adjective, sound, reasonable, rational, conceivable)
1
defense
1
defensibleness
1
deserved
1
dispensable
1
due
1
durability(noun, sustainability)
1
endurance(noun, sustainability)
1
equitable
1
evenhanded
1
exemptible
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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>