The Collaborative International Dictionary of English v.0.48:

Enchantment \En*chant"ment\, n. [F. enchantement.]
   1. The act of enchanting; the production of certain wonderful
      effects by the aid of demons, or the agency of supposed
      spirits; the use of magic arts, spells, or charms;
      incantation.
      [1913 Webster]

            After the last enchantment you did here. --Shak.
      [1913 Webster]

   2. The effect produced by the act; the state of being
      enchanted; as, to break an enchantment.
      [1913 Webster]

   3. That which captivates the heart and senses; an influence
      or power which fascinates or highly delights.
      [1913 Webster]

            Such an enchantment as there is in words. --South.

   Syn: Incantation; necromancy; magic; sorcery; witchcraft;
        spell; charm; fascination; witchery.
        [1913 Webster]

WordNet (r) 3.0 (2006):

enchantment
    n 1: a feeling of great liking for something wonderful and
         unusual [syn: captivation, enchantment, enthrallment,
         fascination]
    2: a psychological state induced by (or as if induced by) a
       magical incantation [syn: enchantment, spell, trance]
    3: a magical spell [syn: enchantment, bewitchment]