The Collaborative International Dictionary of English v.0.48:

Becharm \Be*charm"\, v. t.
   To charm; to captivate.
   [1913 Webster]

WordNet (r) 3.0 (2006):

becharm
    v 1: control by magic spells, as by practicing witchcraft [syn:
         charm, becharm]
    2: attract; cause to be enamored; "She captured all the men's
       hearts" [syn: capture, enamour, trance, catch,
       becharm, enamor, captivate, beguile, charm,
       fascinate, bewitch, entrance, enchant]