officiate

[ uh-fish-ee-eyt ]
/ əˈfɪʃ iˌeɪt /

verb (used without object), of·fi·ci·at·ed, of·fi·ci·at·ing.

to perform the office of a member of the clergy, as at a divine service.
to perform the duties or function of some office or position.
to serve as referee, umpire, or other official in a sports contest or game.

verb (used with object), of·fi·ci·at·ed, of·fi·ci·at·ing.

to serve as the priest or minister of (a divine service, religious ceremony, etc.).
to perform, carry out, or fulfill (an official duty or function).
to act as a referee, umpire, timekeeper, or other official for (a sports contest or game).

Origin of officiate

1625–35; < Medieval Latin officiātus (past participle of officiāre to serve), equivalent to Latin offici(um) office + -ātus -ate1

Related forms

of·fi·ci·a·tion, nounof·fi·ci·a·tor, nounun·of·fi·ci·at·ed, adjectiveun·of·fi·ci·at·ing, adjective

Can be confused

officiate officious
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for officiator

British Dictionary definitions for officiator

officiate

/ (əˈfɪʃɪˌeɪt) /

verb (intr)

to hold the position, responsibility, or function of an official
to conduct a religious or other ceremony

Derived Forms

officiation, nounofficiator, noun

Word Origin for officiate

C17: from Medieval Latin officiāre, from Latin officium; see office
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012