a. [f. L. substrāt- (see SUBSTRATE a.) + -IVE.] Underlying; forming a substratum.
1823. Hone, Anc. Myst., 183. So large a substrative mass of superstition.
a. 1834. Coleridge, in Lit. Rem. (1839), IV. 227. That Idea Idearum, the one substrative truth which is the form, manner, and involvent of all truths.
