The Collaborative International Dictionary of English v.0.48:

Outmaneuver \Out`ma*neu"ver\, Outmanoeuvre \Out`ma*noeu"vre\, v.
   t.
   To surpass, or get an advantage of, in maneuvering; to outwit
   or frustrate by clever stratagems; to outgeneral.
   [1913 Webster +PJC]

WordNet (r) 3.0 (2006):

outmaneuver
    v 1: defeat by more skillful maneuvering; "The English troops
         outmaneuvered the Germans"; "My new supervisor knows how to
         outmaneuver the boss in most situations" [syn:
         outmaneuver, outmanoeuvre, outsmart]

Moby Thesaurus II by Grady Ward, 1.0:

103 Moby Thesaurus words for "outmaneuver":
   bamboozle, beat, beat all hollow, beat hollow, beguile, best,
   betray, bluff, cajole, cheat on, circumvent, conjure, deceive,
   defeat, delude, destroy, diddle, do in, double-cross, drub, dupe,
   elude, evade, fix, foil, forestall, frustrate, gammon, get around,
   get round, give the runaround, give the slip, go one better, gull,
   hide, hoax, hocus-pocus, hornswaggle, hors de combat, humbug,
   juggle, lambaste, lather, let down, lick, mock, outclass, outdo,
   outfight, outfigure, outflank, outfox, outgeneral, outgo, outguess,
   outjump, outleap, outmarch, outpace, outperform, outplay, outpoint,
   outrange, outreach, outride, outrival, outrun, outsail, outshine,
   outsmart, outstep, outstrip, outvie, outwit, overjump, overleap,
   overmatch, overplay, overreach, override, pass the buck, pigeon,
   play one false, put, put something over, ruin, settle, skin,
   skin alive, snow, stonewall, string along, take in, thrash, trick,
   trim, triumph over, trounce, two-time, undo, victimize, whip,
   worst