official

Synonyms: accredited approved authentic authenticated authoritative bona fide canonical cathedral ceremonious certified cleared conclusive correct customary decided decisive definite endorsed established ex cathedra ex officio fitting formal legitimate licensed okay ordered orthodox positive precise proper real recognized rightful sanctioned suitable true valid

Antonyms: unauthorized unofficial unsanctioned

Synonyms: administrator agent big shot boss brains brass bureaucrat ceo chancellor civil servant commissioner comptroller dignitary director exec executive front office functionary governor head person higher-up incumbent leader magistrate manager marshal mayor minister officeholder officer panjandrum premier president representative secretary top top brass top dog top drawer treasurer