Officiate \Of*fi"ci*ate\, v. i. [imp. & p. p. {Officiated}; p.
pr. & vb. n. {Officiating}.] [LL. officiare. See {Office}.]
To act as an officer in performing a duty; to transact the
business of an office or public trust; to conduct a public
ceremony or service. --Bp. Stillingfleet.
[1913 Webster]