[amen] interj [ME, fr. OE, fr. LL, fr. Gk amen, fr. Heb amen] (bef. 12c)--used to express solemn ratification (as of an expression of faith) or hearty approval (as of an assertion)
AMEN
Meaning of AMEN in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012