secularize
verb (used with object)
to make secular; separate from religious or spiritual connection or influences; make worldly or unspiritual; imbue with secularism.
Used to describe actions that started in the past and continue into or have direct relevance to the present.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
He, if anybody, could have secularized the States of the Church, and he would have been forced to do so in order to keep them.
From The Civilisation of the Renaissance in Italy by Burckhardt, Jacob