The Collaborative International Dictionary of English v.0.48:

Witchery \Witch"er*y\, n.; pl. Witcheries.
   1. Sorcery; enchantment; witchcraft.
      [1913 Webster]

            Great Comus,
            Deep skilled in all his mother's witcheries.
                                                  --Milton.
      [1913 Webster]

            A woman infamous . . . for witcheries. --Sir W.
                                                  Scott.
      [1913 Webster]

   2. Fascination; irresistible influence; enchantment.
      [1913 Webster]

            He never felt
            The witchery of the soft blue sky.    --Wordsworth.
      [1913 Webster]

            The dear, dear witchery of song.      --Bryant.
      [1913 Webster]

WordNet (r) 3.0 (2006):

witchery
    n 1: the art of sorcery [syn: witchcraft, witchery]

Moby Thesaurus II by Grady Ward, 1.0:

117 Moby Thesaurus words for "witchery":
   agacerie, alchemy, allure, allurement, appeal, appealingness,
   attraction, attractiveness, bedevilment, beguilement, beguiling,
   bewitchery, bewitchment, blandishment, cajolery, captivation,
   charisma, charm, charmingness, come-hither, delightfulness,
   divination, eeriness, elfdom, enchantment, enravishment,
   enthrallment, enticement, entrancement, entrapment, exquisiteness,
   faerie, fascination, fetishism, flirtation, forbidden fruit,
   glamour, grace, gramarye, hoodoo, illusion, incantation,
   inducement, interest, inveiglement, invitation, invitingness, juju,
   jujuism, loveliness, luxury, magic, magnetism, maya,
   miraculousness, mysteriousness, mystery, natural magic, necromancy,
   numinousness, obeah, obsession, otherworldliness, possession,
   preternaturalism, rune, seducement, seduction, seductiveness,
   sensuousness, sex appeal, shamanism, snaring, sorcery, sortilege,
   spell, spellbinding, spellcasting, superhumanity, supernaturalism,
   supernaturality, supernaturalness, supernature, supernormalness,
   superphysicalness, supersensibleness, supranaturalism, supranature,
   sympathetic magic, tantalization, tantalizingness, temptation,
   temptingness, thaumaturgia, thaumaturgics, thaumaturgism,
   thaumaturgy, the occult, the supernatural, the supersensible,
   theurgy, transcendentalism, unearthliness, unworldliness,
   vampirism, voluptuousness, voodoo, voodooism, wanga, white magic,
   winning ways, winningness, winsomeness, witchcraft, witchwork,
   wizardry, wooing