Officiate

//əˈfiʃ.i.eɪt// noun, verb

Definitions

Noun
  1. 1
    A person appointed to office, an official. rare
Verb
  1. 1
    To perform the functions of some office. intransitive, transitive

    "She officiated as registrar at the wedding."

  2. 2
    perform duties attached to a particular office or place or function wordnet
  3. 3
    To serve as umpire or referee. intransitive, transitive

    "This is the second time he has officiated at a cup-final."

  4. 4
    act in an official capacity in a ceremony or religious ritual, such as a wedding wordnet

Etymology

Etymology 1

Borrowed from Latin officiātus, perfect participle of Late Latin officior (“to perform a function”) and of Medieval Latin officiō (“to officiate, say mass (9th cent.); to serve a church (13th cent.); to serve (early 13th c., 14th in British sources); to discharge an office (14th c.)”), from Latin officium (“official duty, service”), see -ate (verb-forming suffix). The noun is derived from Medieval Latin officiātus (“monk in charge of a monastic office, official (start of 12th c., 14th in British sources)”), substantivized from the participle, see -ate (noun-forming suffix).

Etymology 2

Borrowed from Latin officiātus, perfect participle of Late Latin officior (“to perform a function”) and of Medieval Latin officiō (“to officiate, say mass (9th cent.); to serve a church (13th cent.); to serve (early 13th c., 14th in British sources); to discharge an office (14th c.)”), from Latin officium (“official duty, service”), see -ate (verb-forming suffix). The noun is derived from Medieval Latin officiātus (“monk in charge of a monastic office, official (start of 12th c., 14th in British sources)”), substantivized from the participle, see -ate (noun-forming suffix).

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