official

nouns

a worker who holds or is invested with an office
is derived from
someone who administers the rules of a game or sport
"the golfer asked for an official who could give him a ruling"
is a type of (narrower)
a person who studies and settles conflicts and disputes

adjectives

having official authority or sanction
"official permission"; "an official representative"
is derived from
antonym
is similar to
sanctioned by established authority
"an authoritative communique"; "the authorized biography"
is similar to
by virtue of an office or position
"the head of the department serves as an ex officio member of the board"
is similar to
characteristic of or befitting a person in authority
"formal duties"; "an official banquet"
is similar to
given formal standing or endorsement; made official or legitimate by the observance of proper procedures
is similar to
having some official authority or sanction
see also
endowed with authority
of or relating to an office
"official privileges"
is derived from
pertains to
verified officially
"the election returns are now official"
is similar to
having been established or made firm or received the rite of confirmation
"confirmed reservations"; "received confirmed reports of casualties"; "a confirmed Catholic"
conforming to set usage, procedure, or discipline
"in prescribed order"
is derived from
(of a church) given official status as a national or state institution
is similar to
brought about or set up or accepted; especially long established
"the established social order"; "distrust the constituted authority"; "a team established as a member of a major league"; "enjoyed his prestige as an established writer"; "an established precedent"; "the established Church"
domain category
a service conducted in a house of worship
"don't be late for church"