unsubstantialize
v 1: render immaterial or incorporeal [syn: {immaterialize},
{immaterialise}, {unsubstantialize}, {unsubstantialise}]
Unsubstantialize \Un`sub*stan"tial*ize\, v. t. [1st pref. un- +
substantialize.]
To make unsubstantial. [R.]
[1913 Webster]