WordNet (r) 3.0 (2006):

get the better of
    v 1: win a victory over; "You must overcome all difficulties";
         "defeat your enemies"; "He overcame his shyness"; "He
         overcame his infirmity"; "Her anger got the better of her
         and she blew up" [syn: get the better of, overcome,
         defeat]

Moby Thesaurus II by Grady Ward, 1.0:

61 Moby Thesaurus words for "get the better of":
   beat, beat all hollow, beat hollow, best, circumvent, deceive,
   defeat, destroy, do in, drub, elude, evade, fix, foil, frustrate,
   get around, get round, give the runaround, give the slip,
   go one better, hide, hors de combat, lambaste, lather, lick,
   outclass, outdo, outfight, outfigure, outflank, outgeneral,
   outguess, outmaneuver, outplay, outpoint, outreach, outrun,
   outsail, outshine, outsmart, outwit, overcome, overreach,
   pass the buck, prevail over, put, rise above, ruin, settle, skin,
   skin alive, stonewall, surmount, thrash, trim, triumph over,
   trounce, undo, victimize, whip, worst