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]