From the participle stem of la-ren effectuare, or its source, Latin effectus; probably after Middle French effectuer.

effectuate (effectuates, present participle effectuating; simple past and past participle effectuated)

1. (transitive) To cause, bring about (an event); to accomplish, to carry out (a wish, plan etc.). [from 16th c.]
   • 1751, [Tobias] Smollett, chapter 88, in The Adventures of Peregrine Pickle […], volume III, London: Harrison and Co., […], →OCLC ↗:

     [T]he next necessary step was to elude the vigilance of my guard: and in this manner did I effectuate my purpose.