to invest with material characteristics; to make perceptible to the senses; hence, to present to the mind through the medium of material objects.-to regard as matter; to consider or explain by the laws or principles which are appropriate to matter.-to cause to assume a character appropriate to material things; to occupy with material interests; as, to materialize thought.-to make visable in, or as in, a material form; -- said of spirits.-to appear as a material form; to take substantial shape.