Source : Webster's Revised Unabridged Dictionary (1913)

Beguiler \Be*guil"er\, n.
   One who, or that which, beguiles.

Source : WordNet®

beguiler
     n 1: someone who leads you to believe something that is not true
          [syn: {deceiver}, {cheat}, {cheater}, {trickster}, {slicker}]
     2: a person who charms others (usually by personal
        attractiveness) [syn: {charmer}]