The Collaborative International Dictionary of English v.0.48:

Bewitch \Be*witch"\, v. t. [imp. & p. p. Bewitched; p. pr. &
   vb. n. Bewitching.]
   1. To gain an ascendency over by charms or incantations; to
      affect (esp. to injure) by witchcraft or sorcery.
      [1913 Webster]

            See how I am bewitched; behold, mine arm
            Is like a blasted sapling withered up. --Shak.
      [1913 Webster]

   2. To charm; to fascinate; to please to such a degree as to
      take away the power of resistance; to enchant.
      [1913 Webster]

            The charms of poetry our souls bewitch. --Dryden.
      [1913 Webster]

   Syn: To enchant; captivate; charm; entrance.
        [1913 Webster]

WordNet (r) 3.0 (2006):

bewitch
    v 1: attract; cause to be enamored; "She captured all the men's
         hearts" [syn: capture, enamour, trance, catch,
         becharm, enamor, captivate, beguile, charm,
         fascinate, bewitch, entrance, enchant]
    2: attract strongly, as if with a magnet; "She magnetized the
       audience with her tricks" [syn: magnetize, mesmerize,
       mesmerise, magnetise, bewitch, spellbind]
    3: cast a spell over someone or something; put a hex on someone
       or something [syn: hex, bewitch, glamour, witch,
       enchant, jinx]

Moby Thesaurus II by Grady Ward, 1.0:

116 Moby Thesaurus words for "bewitch":
   abuse, afflict, aggrieve, allure, attract, becharm, bedevil,
   befoul, beguile, blight, captivate, carry away, cast a spell,
   charm, condemn, corrupt, crucify, curse, damage, dazzle, defile,
   delectate, delight, demonize, deprave, despoil, destroy, devilize,
   diabolize, disadvantage, disserve, distress, do a mischief,
   do evil, do ill, do wrong, do wrong by, doom, draw, draw on,
   enamor, enchant, endear, enrapture, enravish, enthrall, entrance,
   envenom, fascinate, freak out, get into trouble, harass, harm, hex,
   hold in thrall, hoodoo, hurt, hypnotize, impair, imparadise,
   infatuate, infect, inflame with love, injure, intrigue, jinx,
   knock dead, knock out, magnetize, maltreat, menace, mesmerize,
   mistreat, molest, obsess, outrage, overlook, persecute,
   play havoc with, play hob with, poison, pollute, possess,
   prejudice, ravish, savage, scathe, seduce, send, slay, snow,
   sorcerize, spell, spellbind, taint, take, tantalize, tempt,
   threaten, thrill, tickle, tickle pink, titillate, torment, torture,
   transport, trick, vamp, violate, voodoo, wile, witch, wound, wow,
   wreak havoc on, wrong