Word family noun office officer official officialdom officialese officiousness adjective official ≠ unofficial officious verb officiate adverb officially ≠ unofficially officiously
From Longman Dictionary of Contemporary Englishofficiateof‧fi‧ci‧ate /əˈfɪʃieɪt/ verb [intransitive] PGRRto perform official duties, especially at a religious ceremony→ See Verb tableExamples from the Corpus
officiate• For the same reason, though, Stern would not let unqualified women officiate.• Mayor Willie Brown and most members of the Board of Supervisors officiated.• Before that the rector of Worth travelled the four miles along the Priest's Way to officiate at Swanage.• He said the officiating in 1995 was excellent, despite several questionable calls in the playoffs.• Family solidarity ends game Stories of a father officiating in a game in which a son is playing can be rather salutary.• I have seen 13 Premier League games this season and only one was officiated with any degree of competence. 