'Luckily' definitions:

Definition of 'luckily'

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 'Luckily'

From: GCIDE
  • Luckily \Luck"i*ly\, adv. [From Lucky.] In a lucky manner; by good fortune; fortunately; -- used in a good sense; as, they luckily escaped injury. [1913 Webster]