Definition of "Official" :
noun: someone who administers the rules of a game or sport
"The golfer asked for an official who could give him a ruling."
noun: a worker who holds or is invested with an office
adjective: having official authority or sanction
"Official permission."
adjective: verified officially
"The election returns are now official."
adjective: (of a church) given official status as a national or state institution
adjective: conforming to set usage, procedure, or discipline
adjective: of or relating to an office
"Official privileges."