Amen (interjection)

1. Used to express agreement, approval, or endorsement.
2. Used to express strong affirmation, especially at the end of a prayer.

Origin:

Late middle english: from old french, from latin amen, from greek āmēn 'so be it', used in hebrew as a response to prayers.

Examples:

1. The congregation replied with a resounding 'Amen' to the pastor's prayer.
2. Amen to that, I couldn't have said it better myself.
3. She closed her eyes and whispered 'Amen' before taking a deep breath.
4. The choir sang 'Amen' with such passion and conviction.
5. After the preacher finished his sermon, the congregation stood and said 'Amen' in unison.