Webster's Revised Unabridged Dictionary · 1913

Secularize

Secularize , transitive verb

[Compare French séculariser.]

1.
To convert from regular or monastic into secular; as, to secularize a priest or a monk.
2.
To convert from spiritual to secular or common use; as, to secularize a church, or church property.
At the Reformation the abbey was secularized. — W. Coxe
3.
To make worldly or unspiritual. — Bp. Horsley