The Collaborative International Dictionary of English v.0.48:

Circumvent \Cir`cum*vent"\, v. t. [imp. & p. p. Circumvented;
   p. pr. & vb. n. Circumventing.] [L. circumventis, p. p. of
   circumvenire, to come around, encompass, deceive; circum +
   venire to come, akin to E. come.]
   To gain advantage over by arts, stratagem, or deception; to
   decieve; to delude; to get around.
   [1913 Webster]

         I circumvented whom I could not gain.    --Dryden.
   [1913 Webster]