4
official(adjective, legitimate, authorized)
3
authorized(verb, adjective)
2
accredited
2
authentic(adjective, fake, false, real, genuine)
2
commissioned
2
empowered
2
lawful
2
legal
2
legitimate
2
licensed
2
permitted
1
admissible
1
allowable
1
approved
1
authorised
1
canonical(adjective, accepted, recognized)
1
canonised
1
canonized
1
formal
1
genuine
11 years ago|1k views|share |citing 
APASmart Define. (2015). unauthorized thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/unauthorized/thesaurus/antonyms
ChicagoSmart Define. 2015. "unauthorized thesaurus" https://smartdefine.org/unauthorized/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2015, unauthorized thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/unauthorized/thesaurus/antonyms>.
MLASmart Define. "unauthorized thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/unauthorized/thesaurus/antonyms>