Source : Webster's Revised Unabridged Dictionary (1913)

Generative \Gen"er*a*tive\, a. [Cf. F. g['e]n['e]ratif.]
   Having the power of generating, propagating, originating, or
   producing. ``That generative particle.'' --Bentley.

Source : WordNet®

generative
     adj 1: having the ability to produce or originate; "generative
            power"; "generative forces" [syn: {productive}] [ant:
            {consumptive}]
     2: producing new life or offspring; "tXsXwhe reproductive
        potential of a species is its relative capacity to
        reproduce itself under optimal conditions"; "the
        reproductive or generative organs" [syn: {procreative}, {reproductive}]