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]

Moby Thesaurus II by Grady Ward, 1.0:

46 Moby Thesaurus words for "becharm":
   allure, attract, beguile, bewitch, captivate, carry away,
   cast a spell, charm, delectate, delight, draw on, enamor, enchant,
   endear, enrapture, enravish, enthrall, entrance, fascinate,
   freak out, glamour, hold in thrall, hypnotize, imparadise,
   infatuate, inflame with love, intrigue, knock dead, knock out,
   mesmerize, ravish, seduce, send, slay, spell, spellbind, tantalize,
   tempt, thrill, tickle, tickle pink, titillate, transport, vamp,
   witch, wow