Sanctification [saynk’-tuh-fih-kay‘-shun] - (Latin sanctifare, ”to consecrate, or make holy,” from Greek hagiazo, “to purify”)
Refers to the state or process of being set apart for special use. In Christian theology, is in reference to the change brought about by God in the believer which began at the point of salvation (justification) and continues throughout the life of the believer until the final state of glorification. The word (hagiasmos=sanctifcation/holiness) occurs several times in the NT (e.g., Rom. 6:19,22; 1 Cor. 1:30; 1 Thess. 4:3,4,7; 2 Thess. 2:13; 1 Peter 1:2).