The Collaborative International Dictionary of English v.0.48:

Captivate \Cap"ti*vate\, v. t. [imp. & p. p. Captivated; p.
   pr. & vb. n. Captivating.] [L. captivatus, p. p. of
   captivare to capture, fr. captivus captive. See Captive.]
   1. To take prisoner; to capture; to subdue. [Obs.]
      [1913 Webster]

            Their woes whom fortune captivates.   --Shak.
      [1913 Webster]

   2. To acquire ascendancy over by reason of some art or
      attraction; to fascinate; to charm; as, Cleopatra
      captivated Antony; the orator captivated all hearts.
      [1913 Webster]

            Small landscapes of captivating loveliness. --W.
                                                  Irving.

   Syn: To enslave; subdue; overpower; charm; enchant; bewitch;
        facinate; capture; lead captive.
        [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

captivated \captivated\ adj.
   1. having an affection or admiration, caused by charm of the
      person or object.

   Syn: charmed.
        [WordNet 1.5]

   2. filled with wonder and delight.

   Syn: beguiled, charmed, delighted, enthralled, entranced.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

captivated
    adj 1: strongly attracted [syn: captivated, charmed]
    2: filled with wonder and delight [syn: beguiled,
       captivated, charmed, delighted, enthralled,
       entranced]