authorized

Something that's authorized is officially approved. If the principal of your school has given you the go-ahead to throw a Hawaiian-themed party, you can call it an authorized luau.

The adjective authorized comes from the verb authorize, which means "give formal approval or sanction to." Both words go back to the Latin root auctor, "authority." So when an authority grants her approval or permission to do something, it becomes authorized. You'll need an authorized passport if you want to travel to a foreign country.

Definitions of authorized
1

adj sanctioned by established authority

“the authorized biography”
Synonyms:
authorised, authoritative
official
having official authority or sanction

adj endowed with authority

Synonyms:
authorised
accredited, commissioned, licenced, licensed
given official approval to act
approved, sanctioned
established by authority; given authoritative approval
canonised, canonized, glorified
accorded sacrosanct or authoritative standing
empowered, sceptered, sceptred
invested with legal power or official authority especially as symbolized by having a scepter
lawful
conformable to or allowed by law
legitimate
of marriages and offspring; recognized as lawful
official
having official authority or sanction
Antonyms:
unauthorised, unauthorized
not endowed with authority
self-appointed
designated or chosen by yourself
unaccredited, unlicenced, unlicensed
lacking official approval
illegitimate
of marriages and offspring; not recognized as lawful
unofficial
not having official authority or sanction
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