interjection / noun
amen
ay-MEN/eɪˈmen/
An expression of agreement or affirmation, especially in prayer.
The congregation says amen at the end of the prayer.

Etymology
The Hebrew word for “truth” was used to affirm a statement, much like “certainly” or “absolutely.” After a prayer, amen similarly expresses agreement with or solemn approval of what has been said.
In context
So he says, "Can I get an amen?" Audience: Amen.
We pray this in Jesus name, amen.
More examples
- She added an amen to the speaker's call for peace.
- Several amens came from the audience.
- He answered amen in agreement.
Forms
amen · amens
Similar words
- indeed
- Affirms agreement without the prayer association.
- so be it
- A phrase expressing acceptance or affirmation.