official

adj. formal, ceremonious; issued authoritatively; authorized; holding an office; of or relating to an office or position

n. officer; one who holds public office

An official is someone who holds an office (function or mandate, regardless whether it carries an actual working space with it) in an organisation or government and participates in the exercise of authority (either his own or that of his superior and/or employer, public or legally private).A government official or functionary is an official who is involved in public administration or government, through either election, appointment, or employment. A bureaucrat is a member of the bureaucracy. An elected official is a person who is an official by virtue of an election. Officials may also be appointed ex officio (by virtue of another office, often in a specified capacity, such as presiding, advisory, secretary). Some official positions may be inherited.
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Noun
1. a worker who holds or is invested with an office
(synonym) functionary
(hypernym) skilled worker, trained worker
(hyponym) appointee
2. someone who administers the rules of a game or sport; "the golfer asked for an official who could give him a ruling"
(hypernym) adjudicator
(hyponym) football official
Adjective
1. having official authority or sanction; "official permission"; "an official representative"
(antonym) unofficial
(similar) authoritative, authorized, authorised
(see-also) authorized, authorised
2. of or relating to an office; "official privileges"
(pertainym) agency, federal agency, government agency, bureau, office, authority
3. verified officially; "the election returns are now official"
(similar) confirmed
4. conforming to set usage, procedure, or discipline; "in prescribed order"
(synonym) prescribed
(similar) regular
5. (of a church) given official status as a national or state institution
(similar) established, constituted
(classification) church service, church

(n.)
Of or pertaining to an office or public trust; as, official duties, or routine.
  

(n.)
Discharging an office or function.
  

(n.)
Derived from the proper office or officer, or from the proper authority; made or communicated by virtue of authority; as, an official statement or report.
  

(n.)
Approved by authority; sanctioned by the pharmacopoeia; appointed to be used in medicine; as, an official drug or preparation. Cf. Officinal.
  

(a.)
One who holds an office; esp., a subordinate executive officer or attendant.
  

(a.)
An ecclesiastical judge appointed by a bishop, chapter, archdeacon, etc., with charge of the spiritual jurisdiction.
  

N M
official/servant attending a magistrate; an official