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]

Moby Thesaurus II by Grady Ward, 1.0:

105 Moby Thesaurus words for "effectuate":
   abide by, accomplish, achieve, act, adhere to, administer, attain,
   author, be productive, bear, beget, breed, bring about,
   bring forth, bring into being, bring off, bring to effect,
   bring to fruition, bring to pass, carry, carry out, carry through,
   cause, commit, compass, complete, conceive, constitute, consummate,
   create, deal with, discharge, dispatch, dispose of, do, do the job,
   do the trick, do to, effect, enact, enforce, engender, engineer,
   establish, execute, father, fetch, fill out, form, found, fulfill,
   generate, gestate, give birth to, give occasion to, give origin to,
   give rise to, go and do, honor, implement, inaugurate, incept,
   industrialize, inflict, install, institute, knock off, make,
   make out, manage, mass-produce, materialize, observe, occasion,
   organize, originate, overproduce, pay, perform, perpetrate,
   polish off, produce, promulgate, prosecute, pull off, put away,
   put in force, put through, realize, render, set afloat,
   set on foot, set up, silken, sire, succeed, take and do,
   take care of, transact, turn the trick, up and do, volume-produce,
   work, work out, wreak