The activity of changing something (art or education or society or morality etc.) so it is no longer under the control or influence of religion.

synonym: secularization.

Dutch: ontzuiling
Polish: sekularyzacja, zeświecczenie, laicyzacja

Transfer of property from ecclesiastical to civil possession.

synonym: secularization.

Dutch: ontkerkelijking, secularisatie, verwereldlijking
Polish: zeświecczenie, kasata, sekularyzacja