15 entries under proper topic. ×

20
allowable(adjective, reasonable, slight, allow)
18
licit(adjective, permission, valid, legal)
14
lawful(adjective, reasonable, permission, legal)
14
legal(adjective, permission, valid, legal)
14
legitimate(adjective, reasonable, permission, legal)
8
kosher(adjective, allow, slang, informal)
7
justifiable(reasonable, slight, just, valid)
7
right(adjective, reasonable, tolerable, legal)
5
legit(adjective, reasonable, legal, legitimate)
3
valid(adjective, reasonable, just, legal)
2
justified(adjective, reasonable, permitted, lawful)
2
rightful(adjective, reasonable, just, valid)
2
warrantable(reasonable, just, valid, legal)
1
fair(reasonable, tolerable, permitted, lawful)
1
sound(reasonable, permitted, lawful, allowable)
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APASmart Define. (2016). permissible thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/permissible/thesaurus/synonyms
ChicagoSmart Define. 2016. "permissible thesaurus" https://smartdefine.org/permissible/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, permissible thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/permissible/thesaurus/synonyms>.
MLASmart Define. "permissible thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/permissible/thesaurus/synonyms>