official

lawful, legal, legit [slang], legitimate, licit, permissible, regulation

approved, endorsed (also indorsed)

abetted, encouraged, promoted, suggested, supported

certified, licensed

authoritative, canonical, ex officio

semiofficial

bureaucrat

administrator, commissioner, director, executive, head, manager, regulator, superintendent, supervisor

chair, chairman

flunky (also flunkey), minion, underling

co-official