56 entries under adjective topic. ×

20
legal(permissible, allowable)
14
lawful(legitimate, allowable)
10
legitimate(good, false, improper, authentic)
5
authorized
4
rightful(incorrect, legitimate)
3
right
2
fair(mean, rude, unreasonable, dishonest)
2
judicial
2
moral
2
official
2
permissible(legal, allowable)
1
proper
1
valid
0
ethical
0
good
0
beautiful
0
correct
0
able
0
allowed
0
innocent
<123>
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APASmart Define. (2015). illegal thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/illegal/thesaurus/antonyms
ChicagoSmart Define. 2015. "illegal thesaurus" https://smartdefine.org/illegal/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2015, illegal thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/illegal/thesaurus/antonyms>.
MLASmart Define. "illegal thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/illegal/thesaurus/antonyms>