1. 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. This seen in the clear air, and the whole spiritualized by endless recollections, fills the eye and the heart more forcibly than I can find words to say. (Carlyle)
2. To give a spiritual meaning to; to take in a spiritual sense; opposed to literalize.
Origin: Cf. F. Spiritualiser.