1.To invest with material characteristics; to make perceptible to the senses; hence, to present to the mind through the medium of material objects. "Having with wonderful art and beauty materialized, if I may so call it, a scheme of abstracted notions, and clothed the most nice, refined conceptions of philosophy in sensible images."
2.To regard as matter; to consider or explain by the laws or principles which are appropriate to matter.
3.To cause to assume a character appropriate to material things; to occupy with material interests; as, to materialize thought.
4.(Spiritualism) To make visable in, or as in, a material form; said of spirits. "A female spirit form temporarily materialized, and not distinguishable from a human being."