<p><strong>Noun:</strong></p><ul><li>the office or term of office of a pontiff</li></ul><p><strong>Verb (used without object):</strong></p><ul><li>pontificated</li><li>pontificating</li><li>to perform the office or duties of a pontiff</li><li>to speak in a pompous or dogmatic manner</li><li>to serve as a bishop, especially in a Pontifical Mass</li></ul>