'Fortunately' definitions:

Definition of 'fortunately'

From: WordNet
adverb
By good fortune; "fortunately the weather was good" [syn: fortunately, fortuitously, luckily, as luck would have it] [ant: alas, regrettably, unfortunately, unluckily]

Definition of 'Fortunately'

From: GCIDE
  • Fortunately \For"tu*nate*ly\, adv. In a fortunate manner; luckily; successfully; happily. [1913 Webster]