laicize
verb
Definitions
To convert from church controlled to independent of the church; to secularize.
Example: They will laicise each of the schools in the district.
To reduce from clergy to layman.
Example: Due to his controversial views the Vatican decided to laicise the priest.
To convert to lay status.
Example: The soup kitchen laicised, it moved out of the church and registered as an independent non-profit.