WordWeb Online

1. Render holy by means of religious rites
   - consecrate, bless, hallow
    
2. Give religious sanction to, such as through an oath
   "sanctify the marriage";
   - sanction
    
3. Make pure or free from sin or guilt
   "he left the monastery sanctified";
   - purify, purge

Derived forms: sanctifies, sanctifying, sanctified

Type of: alter, approve, change, declare, greenlight, green-light, modify, O.K., OK, okay, pronounce, sanction

Encyclopedia: Sanctify