Amen

[theidolhands]

a·men (ˌeɪˈmɛn,):
origin: via late Latin, via Greek, from Hebrew "āmēn" [certainly/truth/faithful/firm]

interjection
1. it is so; so be it.

noun
2. the end of a prayer.
3. to express strong approval of, or support for (an assertion, hope, etc).

adverb
4. verily; truly.