148 entries under reasonable topic. ×

18
proper(adjective, honest, fair, just)
14
reasonable(adjective, sound, right, slight)
14
defensible(adjective, sound, right, slight)
12
excusable(adjective, sound, right, slight)
12
tenable(adjective, sound, right, slight)
11
legitimate(adjective, clear, sound, right)
11
permissible(adjective, slight, proper, valid)
11
right(adjective, sound, honest, fair)
10
lawful(adjective, sound, right, fair)
9
acceptable(adjective, sound, moderate, proper)
9
logical(adjective, clear, sound, sensible)
9
rightful(adjective, right, fair, proper)
9
valid(adjective, sensible, proper, logical)
8
just(adjective, adverb, sound, right)
8
rational(adjective, clear, sound, honest)
8
sensible(adjective, clear, sound, honest)
7
admissible(adjective, consideration, able, valid)
7
allowable(adjective, slight, proper, valid)
7
fit(adjective, moderate, honest, proper)
7
justified(adjective, proper, worthy, commendable)
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APASmart Define. (2016). justifiable thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/justifiable/thesaurus/synonyms
ChicagoSmart Define. 2016. "justifiable thesaurus" https://smartdefine.org/justifiable/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, justifiable thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/justifiable/thesaurus/synonyms>.
MLASmart Define. "justifiable thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/justifiable/thesaurus/synonyms>