n. [ L. sanctificatio: cf. F. sanctification. ] 1. The act of sanctifying or making holy; the state of being sanctified or made holy; esp. (Theol.), the act of God's grace by which the affections of men are purified, or alienated from sin and the world, and exalted to a supreme love to God; also, the state of being thus purified or sanctified. [ 1913 Webster ]

God hath from the beginning chosen you to salvation through sanctification of the Spirit and belief of the truth. 2 Thess. ii. 13. [ 1913 Webster ]

2. The act of consecrating, or of setting apart for a sacred purpose; consecration. Bp. Burnet. [ 1913 Webster ]