WordNet sense 1 (a verbal formula believed to have magical force):

spell, magical spell, magic spell

WordNet sense 2 (attractiveness that interests or pleases or stimulates):

appeal, appealingness

WordNet sense 3 (something believed to bring good luck):

good luck charm

WordNet sense 4 (control by magic spells, as by practicing witchcraft):

becharm

WordNet sense 5 (attract; cause to be enamored):

beguile, bewitch, captivate, capture, catch, enamor, enchant, entrance, fascinate, trance, enamour, entrance

WordNet sense 6 (induce into action by using one's charm):

influence, tempt