Source : Webster's Revised Unabridged Dictionary (1913)

Captivating \Cap"ti*va`ting\, a.
   Having power to captivate or charm; fascinating; as,
   captivating smiles. -- {Cap"ti*va`ting*ly}, adv.

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.]

            Their woes whom fortune captivates.   --Shak.

   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.

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

   Syn: To enslave; subdue; overpower; charm; enchant; bewitch;
        facinate; capture; lead captive.

Source : WordNet®

captivating
     adj : capturing interest as if by a spell; "bewitching smile";
           "Roosevelt was a captivating speaker"; "enchanting
           music"; "an enthralling book"; "antique papers of
           entrancing design"; "a fascinating woman" [syn: {bewitching},
            {enchanting}, {enthralling}, {entrancing}, {fascinating}]