OFFICIAL

I. noun Date: 14th century one who holds or is invested with an office ; officer , one who administers the rules of a game or sport especially as a referee or umpire, II. adjective Date: circa 1585 of or relating to an office, position, or trust , holding an office, 3. authoritative , authorized , prescribed or recognized as authorized , described by the United States Pharmacopeia or the National Formulary, befitting or characteristic of a person in office , ~ly adverb