secularisation

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

noun 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
noun transfer of property from ecclesiastical to civil possession

From secularise + -ation.

With the same necessity, owing to the unconditional dominance of political impulses, a people drifts into a path of extremest secularisation, the most magnificent, but also the most terrible expression of which is the Roman imperium. — The Birth of Tragedy; or, Hellenism and Pessimism, Friedrich Wilhelm Nietzsche

secularization

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