practice as a profession, teach, or claim to be knowledgeable about
"She professes organic chemistry"
confess one's faith in, or allegiance to
"The terrorists professed allegiance to their country"
"he professes to be a Communist"
state freely
"The teacher professed that he was not generous when it came to giving good grades"
receive into a religious order or congregation
To administer the vows of a religious order to (someone); to admit to a religious order. (Chiefly in passive.)