(transitive) To make official.

The charge, office, court, or jurisdiction of an official. / The ecclesiastical charge, office, court, or jurisdiction of an official principal. / The state or fact of being official.

plural of officiality

The quality of being official.

(intransitive, transitive) To perform the functions of some office. / (intransitive, transitive, sports) To serve as umpire or referee.

A person appointed to office

(obsolete) Obliging, attentive, eager to please. / Offensively intrusive or interfering in offering advice and services.

present participle of officiate.

A person who officiates.

The quality of being officious