The Collaborative International Dictionary of English v.0.48:

Effectuate \Ef*fec"tu*ate\, v. t. [imp. & p. p. Effectuated;
   p. pr. & vb. n. Effectuating.] [Cf. F. effectuer. See
   Effect, n. & v. t.]
   To bring to pass; to effect; to achieve; to accomplish; to
   fulfill.
   [1913 Webster]

         A fit instrument to effectuate his desire. --Sir P.
                                                  Sidney.
   [1913 Webster]

         In order to effectuate the thorough reform. --G. T.
                                                  Curtis.
   [1913 Webster]

WordNet (r) 3.0 (2006):

effectuate
    v 1: produce; "The scientists set up a shock wave" [syn:
         effect, effectuate, set up]