The Collaborative International Dictionary of English v.0.48:
Alternatively \Al*ter"na*tive*ly\, adv. In the manner of alternatives, or that admits the choice of one out of two things. [1913 Webster]WordNet (r) 3.0 (2006):
alternatively adv 1: in place of, or as an alternative to; "Felix became a herpetologist instead"; "alternatively we could buy a used car" [syn: alternatively, instead, or else]