spellbinder

from WordNet (r) 3.0 (2006)

spellbinder
    n 1: an orator who can hold his listeners spellbound

from The Collaborative International Dictionary of English v.0.48

Spellbind \Spell"bind`\, v. t. [imp. & p. p. {Spellbound}; p.
   pr. & vb. n. {Spellbinding}.]
   To bind or hold by, or as if by, a spell or charm; to
   entrance or fascinate, esp. by eloquence of speech, as in a
   political campaign. -- {Spell"bind`er}, n.
   [Webster 1913 Suppl.]

from Moby Thesaurus II by Grady Ward, 1.0

24 Moby Thesaurus words for "spellbinder":
      Cicero, Circe, Demosthenes, Euryale, Gorgon, Medea, Medusa, Stheno,
      William Jennings Bryan, Winston Churchill, bewitcher, charmer,
      enchanter, enchantress, orator, platform orator, public speaker,
      rhetor, rhetorician, siren, soapbox orator, soapboxer,
      stump orator, vampire

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