Amen, literally “true”; and, used as a substantive, “that which is true,” “truth,” Isa. 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. Comp. Num. 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. Matt. 6:13; 1 Cor. 14:16. And not only public prayers, but those offered in private, and doxologies, were appropriately concluded with “amen.” Rom. 9:5; 11:36; 15:33; 16:27; 2 Cor. 13:14, etc.