pa. pple. Obs. rare1. [f. med.L. substantīvāt-, pa. ppl. stem of substantīvāre, f. substantīvus SUBSTANTIVE.] Made into or used as a substantive.

1

a. 1522.  Lily, Gram., in Colet, Æditio (1537), E iij b. An adiectiue standinge without a substantiue, shal be put in the neutre gendre substantiuate, as it is good. Bonum est.

2