officiate

[uh-fish-ee-eyt] /əˈfɪʃ iˌeɪt/
verb (used without object), officiated, officiating.
1.
to perform the office of a member of the clergy, as at a divine service.
2.
to perform the duties or function of some office or position.
3.
to serve as referee, umpire, or other official in a sports contest or game.
verb (used with object), officiated, officiating.
4.
to serve as the priest or minister of (a divine service, religious ceremony, etc.).
5.
to perform, carry out, or fulfill (an official duty or function).
6.
to act as a referee, umpire, timekeeper, or other official for (a sports contest or game).
Origin
1625-35; < Medieval Latin officiātus (past participle of officiāre to serve), equivalent to Latin offici(um) office + -ātus -ate1
Related forms
officiation, noun
officiator, noun
unofficiated, adjective
unofficiating, adjective
Can be confused
officiate, officious.
Examples from the web for officiate
  • Bring the original license to the officiate of the wedding.
  • They also counsel members and their families when requested, visit sick or injured members, and officiate at department funerals.
  • If the individuals desire for a judge to officiate over the marriage ceremony, they must inquire of the courts on their own.
British Dictionary definitions for officiate

officiate

/əˈfɪʃɪˌeɪt/
verb (intransitive)
1.
to hold the position, responsibility, or function of an official
2.
to conduct a religious or other ceremony
Derived Forms
officiation, noun
officiator, noun
Word Origin
C17: from Medieval Latin officiāre, from Latin officium; see office
Word Origin and History for officiate
v.

1630s, "to perform a duty," especially "to perform the duty of a priest," from Medieval Latin officiatum, from present participle of officiare "perform religious services," from Latin officium (see office). Related: Officiated; officiating.