The Collaborative International Dictionary of English v.0.48:

Victimize \Vic"tim*ize\, v. t. [imp. & p. p. Victimized; p.
   pr. & vb. n. Victimizing.]
   To make a victim of, esp. by deception; to dupe; to cheat.
   [1913 Webster]

WordNet (r) 3.0 (2006):

victimize
    v 1: make a victim of; "I was victimized by this con-man" [syn:
         victimize, victimise]
    2: punish unjustly [syn: victimize, victimise]
    3: deprive of by deceit; "He swindled me out of my inheritance";
       "She defrauded the customers who trusted her"; "the cashier
       gypped me when he gave me too little change" [syn:
       victimize, swindle, rook, goldbrick, nobble,
       diddle, bunco, defraud, scam, mulct, gyp, gip,
       hornswoggle, short-change, con]

Moby Thesaurus II by Grady Ward, 1.0:

111 Moby Thesaurus words for "victimize":
   bamboozle, beat, beguile of, beset, bilk, bleed, bleed white,
   bully, bunco, burn, cheat, chisel, chouse, chouse out of,
   circumvent, clip, cog, cog the dice, con, cozen, crib, deceive,
   defraud, diddle, do in, do out of, dupe, elude, euchre, evade,
   exploit, finagle, flam, fleece, flimflam, fob, foil, fool,
   frustrate, fudge, get around, get round, give the runaround,
   give the slip, go after, go one better, gouge, gull, gyp, harass,
   harry, have, hoax, hocus, hocus-pocus, hold up, hoodwink, hound,
   hunt, immolate, molest, mulct, oppress, outfigure, outflank,
   outfox, outgeneral, outguess, outmaneuver, outplay, outreach,
   outsmart, outwit, overcharge, overprice, overreach, overtax,
   pack the deal, pass the buck, persecute, pick on, pigeon,
   practice fraud upon, prey on, profiteer, pursue, rook, scam, screw,
   sell gold bricks, shaft, shave, shortchange, skin, snooker, soak,
   stack the cards, stick, sting, stonewall, suck in, surcharge,
   swindle, take a dive, take advantage of, take in, thimblerig,
   throw a fight, torment, trick, use