<p><strong>Interjection</strong></p><ul><li>it is so; so be it (used after a prayer, creed, or other formal statement to express solemn ratification or agreement)</li></ul><p><strong>Adverb</strong></p><ul><li>verily; truly</li></ul><p><strong>Noun</strong></p><ul><li>an utterance of the interjection “amen.”</li><li>a musical setting for such an utterance.</li><li>an expression of concurrence or assent: The committee gave its amen to the proposal.</li></ul>