originative

originative
    adj 1: having the ability or power to create; "a creative
           imagination" [syn: {creative}, {originative}] [ant:
           {uncreative}]
    2: containing seeds of later development; "seminal ideas of one
       discipline can influence the growth of another" [syn:
       {germinal}, {originative}, {seminal}]
    

Originative \O*rig"i*na*tive\, a.
   Having power, or tending, to originate, or bring into
   existence; originating. --H. Bushnell. --
   {O*rig"i*na*tive*ly}, adv.
   [1913 Webster]
    

39 Moby Thesaurus words for "originative":
      behind the scenes, causal, causative, conceptive, conceptual,
      constitutive, constructive, creative, decisive, demiurgic,
      determinative, effectual, esemplastic, etiological, fecund,
      fertile, formative, generative, germinal, ideational, ideative,
      imaginative, ingenious, innovational, innovative, inspired,
      institutive, inventive, notional, occasional, original, pivotal,
      pregnant, productive, prolific, seminal, shaping, teeming,
      visioned