officiate [ uh- fish-ee-eyt] Word Origin See more synonyms on Thesaurus.com 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
to serve), equivalent to
-ātus -ate 1 Related forms of·fi·ci·a·tion, noun of·fi·ci·a·tor, noun un·of·fi·ci·at·ed, adjective un·of·fi·ci·at·ing, adjective
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for officiation to hold the position, responsibility, or function of an official 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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Word Origin and History for officiation 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.
Online Etymology Dictionary, © 2010 Douglas Harper