Definition of "amen"

As it was in the beginning, is nowe, and euerſhall be: worlde without ende. Amen.

1549 March 7, Thomas Cranmer [et al.], compilers, “At the Communion”, in The Booke of the Common Prayer and Administration of the Sacramentes, […], London: […] Edowardi Whitchurche […], folio lxxii, recto

Alſo I ſhooke my lap, and ſaid, So God ſhake out euery man from his houſe, and from his labour, that performeth not this promiſe, euen thus be he ſhaken out, and emptied. And all the Congregation ſaid, Amen, and praiſed the Lord. And the people did according to this promiſe.

1611, The Holy Bible, […] (King James Version), London: […] Robert Barker, […], Nehemiah 5:13, column 1

Bleſſed be the Lord God, the God of Iſrael, who only doth wonderous things. And bleſſed be his glorious name for euer, and let the whole earth be filled with his glory. Amen, and Amen.

1611, The Holy Bible, […] (King James Version), London: […] Robert Barker, […], Psalms 72:18–19, column 1

For thine is the kingdom, the power, and the glory, for ever and ever. Amen.

1662, Thomas Cranmer [et al.], compilers, “Forms of Prayer to be used at Sea”, in The Book of Common-Prayer, and Administration of the Sacraments, […], London: […] John Bill, and Christopher Barker, […], column 2

May GOD, to Whom be praise and whose name be exalted, the King of Kings, vouchsafe His grace and may the Prophet Muhammed (on whom be the benediction and peace of GOD) grant His Blessings to this Proclamation. Amen! O Lord of the Universe!

1962, Omar Ali Saifuddien III, Proclamation of Emergency‎, page 14

Amen, amen, I say to thee, except a man be born again, he can not see the kingdom of God.

1582, Bible in Rhemish translation, John 3:5

Fry: Bender's stupid religion is driving me nuts! / Leela: Amen!

1999 May, Matt Groening, “Hell Is Other Robots”, in Futurama, season 1, episode 9

The amens of the dusty clerk appear, like Macbeth’s, to stick in his throat a little; but Captain Cuttle helps him out, […]

1846 October 1 – 1848 April 1, Charles Dickens, Dombey and Son, London: Bradbury and Evans, […], published 1848

[H]is `Amens' were ejected at the pulpit with the severity of a reprimand.

1930, Norman Lindsay, Redheap, Sydney, N.S.W.: Ure Smith, published 1965, page 12

A chorus of amens rang out across the audience.

2006, Evault Boswell, The Iron Mountain Baby

And vnto the Angel of the Church of the Laodiceans, write, Theſe things ſaith the Amen, the faithfull and true witneſſe, the beginning of the creation of God: […]

1611, The Holy Bible, […] (King James Version), London: […] Robert Barker, […], Revelation 3:14, column 2

The moment Dr. Reid amened, we rushed straight out of the church off home.

1942, Emily Carr, “Sunday”, in The Book of Small

Most of the church amened and applauded.

2015, T. M. Young, Much Given, Much Required, page xxx

She must be thinking Reverend Hopkins is talking directly to her, because she starts amening and shouting real loud when he gets to the part in Proverbs […]

2015, Jewelle Francis, Manifest Destiny