1. Make secular and draw away from a religious orientation
   "Ataturk secularised Turkey";
   - secularize
    
2. Transfer from ecclesiastical to civil possession, use, or control
   "The government secularised several church properties";
   - desacralize, secularize, desacralise [Brit]

Derived forms: secularised, secularises, secularising

Type of: change state, transfer, turn