Source : Webster's Revised Unabridged Dictionary (1913)

Outmaneuver \Out`ma*neu"ver\, Outmanoeuvre \Out`ma*n[oe]u"vre\,
   v. t.
   To surpass, or get an advantage of, in maneuvering; to
   outgeneral.

Source : WordNet®

outmaneuver
     v : defeat by more skillful maneuvering; "The English troops
         putmaneuvered the Germans"; "My new superviser knows how
         to outmaneuver the boss in most situations" [syn: {outmanoeuvre},
          {outsmart}]