The act of rendering secular, or the state of being rendered secular; conversion from regular or monastic to secular; conversion from religious to lay or secular possession and uses; as, the secularization of church property.
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
narrative that interprets social changes in the place of religion in society as decline in religion's power, influence, prestige, and/or popularity in the public sphere.
In ST, the tendency of certain advanced societies to lose their religious commitment in the long term. In RCT, the tendency of religious organizations to lose tension and commitment and become churches or denominations, at which point new sects and cults grow up to replace them.
process by which religious institutions lose their social significance
The process by which religious beliefs, practices, and institutions lose their significance in sectors of society and culture.
Secularization or secularisation is a process of transformation as a society slowly migrates from close identification with the local institutions of religion to a more clearly separated relationship. It is a contentious term because the concept of secularization can be confused with secularism, a philosophical and political movement that promotes the idea that society benefits by being less religious, whereas the opposing view is that the values and beliefs implicit in religions support a more moral and, therefore, better society. As understood by philosophers and sociologists, secularization has many levels of meaning, both as a theory and a historical process.