Source : Webster's Revised Unabridged Dictionary (1913)

Inthrall \In*thrall"\, v. t. [imp. & p. p. {Inthralled}; p. pr.
   & vb. n. {Inthralling}.] [Cf. {Enthrall}.] [Written also
   {inthral}, {enthral}, and {enthrall}.]
   To reduce to bondage or servitude; to make a thrall, slave,
   vassal, or captive of; to enslave.

         She soothes, but never can inthrall my mind. --Prior.

Enthrall \En*thrall"\, v. t. [Pref. en- + thrall. Cf.
   {Inthrall}.] [Written also {enthral}.]
   To hold in thrall; to enslave. See {Inthrall}.

         The bars survive the captive they enthrall. --Byron.

Source : WordNet®

enthral
     v : hold spellbound [syn: {enchant}, {enrapture}, {transport}, {enthrall},
          {ravish}, {delight}] [ant: {disenchant}]
     [also: {enthralling}, {enthralled}]