society > faith > worship > sacrament > order > monastic profession > [verb (intransitive)] > make profession (5)
Originally †transitive (reflexive); subsequently intransitive. To make a profession; to take the vows of a religious order.
Christian Church. A solemn engagement to devote oneself to a religious life of a definite nature, such as that of a monastic or conventual order…
intransitive. To live the life of a monk; to become a monk. Now rare.