The Collaborative International Dictionary of English v.0.48:
Magnetically \Mag*net"ic*al*ly\, adv. By or as by, magnetism. [1913 Webster]WordNet (r) 3.0 (2006):
magnetically adv 1: by the use of magnetism; "magnetically contaminated material" 2: as if by magnetism; "he was magnetically attracted to her"