[f. SUBSTANTIVE a. + -ITY.] Substantiality.
1877. Conder, Basis Faith, iv. 169. Unity and (if I may so call it) Substantivitythe capacity of possessing attributes.
1889. A. W. Hall, in Microcosm (N. Y.), Dec., 13/2. The mind naturally hesitates in conceding the substantivity of anything which eludes the senses as palpable material.