WordNet (r) 3.0 (2006):

entrapment
    n 1: a defense that claims the defendant would not have broken
         the law if not tricked into doing it by law enforcement
         officials

Moby Thesaurus II by Grady Ward, 1.0:

85 Moby Thesaurus words for "entrapment":
   agacerie, allure, allurement, appeal, attraction, attractiveness,
   bamboozlement, befooling, beguilement, beguiling, bewitchery,
   bewitchment, blandishment, bluffing, cajolery,
   calculated deception, captivation, charisma, charm, charmingness,
   circumvention, come-hither, conning, deceiving, deception,
   deceptiveness, defrauding, delusion, delusiveness, dupery,
   enchantment, enmeshment, ensnarement, entanglement, enthrallment,
   enticement, fallaciousness, fallacy, falseness, fascination,
   flimflam, flimflammery, flirtation, fond illusion, fooling,
   forbidden fruit, glamour, hallucination, hoodwinking, illusion,
   inducement, interest, inveiglement, invitation, kidding, magnetism,
   mirage, outwitting, overreaching, phantasm, putting on, seducement,
   seduction, seductiveness, self-deception, sex appeal, snaring,
   snow job, song and dance, spoofery, spoofing, subterfuge,
   swindling, tantalization, temptation, trickiness, tricking,
   victimization, vision, willful misconception, winning ways,
   winsomeness, wishful thinking, witchery, wooing