A'men. Literally "true" and used as a substantive, "that which is true",. "truth", Isaiah 65:16, a word used in strong asseverations, fixing, as it were, the stamp of truth upon the assertion which it accompanied, and making it binding as an oath. Compare Numbers 5:22.

In the synagogues and private houses, it was customary for the people or members of the family who were present to say "Amen" to the prayers which were offered. Matthew 6:13; 1 Corinthians 14:16. And not only public prayers, but those offered in private, and doxologies, were appropriately concluded with "Amen". Romans 9:5; Romans 11:36; Romans 15:33; Romans 16:27; 2 Corinthians 13:14; etc.