(1):

(v. t.) To refine intellectiually or morally; to purify from the corrupting influence of the world; to give a spiritual character or tendency to; as, to spiritualize soul.

(2):

(v. t.) To give a spiritual meaning to; to take in a spiritual sense; - opposed to literalize.

(3):

(v. t.) To extract spirit from; also, to convert into, or impregnate with, spirit.