The Collaborative International Dictionary of English v.0.48:
Verbify \Verb"i*fy\, v. t. [Verb + -fy.] To make into a verb; to use as a verb; to verbalize. [R.] --Earle. [1913 Webster]WordNet (r) 3.0 (2006):
verbify v 1: make into a verb; "'mouse' has been verbified by computer users"