<p><strong>Verb (used without object)</strong></p><ul><li>officiated</li><li>to perform the office of a member of the clergy, as at a divine service</li><li>to perform the duties or function of some office or position</li><li>to serve as referee, umpire, or other official in a sports contest or game</li></ul><p><strong>Verb (used with object)</strong></p><ul><li>officiated</li><li>to serve as the priest or minister of (a divine service, religious ceremony, etc.)</li><li>to perform, carry out, or fulfill (an official duty or function)</li><li>to act as a referee, umpire, timekeeper, or other official for (a sports contest or game)</li></ul>