officiate

/əˈfɪʃiˌeɪt/
verb
  1. To perform the duties of an official at a ceremony or event, such as a wedding, funeral, or sports game.
    • The priest officiated the funeral service with great dignity.
    • A judge agreed to officiate the wedding ceremony at the park.
    • The referee will officiate the championship game tomorrow.
  2. To act in an official capacity, especially to oversee or direct a formal proceeding.
    • The ambassador officiated the signing of the treaty between the two nations.
    • The dean officiated the graduation ceremony, handing out diplomas.
    • She was asked to officiate the town hall meeting as the moderator.
Antonyms