WordNet (r) 3.0 (2006):

outguess
    v 1: attempt to anticipate or predict [syn: second-guess,
         outguess]

Moby Thesaurus II by Grady Ward, 1.0:

23 Moby Thesaurus words for "outguess":
   circumvent, deceive, elude, evade, foil, frustrate, get around,
   get round, give the runaround, give the slip, go one better,
   outfigure, outflank, outgeneral, outmaneuver, outplay, outreach,
   outsmart, outwit, overreach, pass the buck, stonewall, victimize