'Hopefully' definitions:

Definition of 'hopefully'

(from WordNet)
adverb
With hope; in a hopeful manner; "we searched hopefully for a good position" [ant: hopelessly]
adverb
It is hoped; "hopefully the weather will be fine on Sunday"

Definition of 'Hopefully'

From: GCIDE
  • Hopeful \Hope"ful\, a.
  • 1. Full of hope, or agreeable expectation; inclined to hope; expectant. [1913 Webster]
  • Men of their own natural inclination hopeful and strongly conceited. --Hooker. [1913 Webster]
  • 2. Having qualities which excite hope; affording promise of good or of success; as, a hopeful youth; a hopeful prospect. "Hopeful scholars." --Addison. -- {Hope"ful*ly}, adv. -- {Hope"ful*ness}, n. [1913 Webster]

Definition of 'Hopefully'

From: GCIDE
  • Hopefully \Hope"ful*ly\, adv.
  • 1. In a hopeful manner. [PJC]
  • 2. I hope; if all goes well; as, hopefully, the dress will be ready before the party.
  • Note: Some prescriptivists object to this usage as being ungrammatical, but it is very common and well understood. It is usually used to begin a sentence describing a desired future event. [PJC]

Synonyms of 'hopefully'

From: Moby Thesaurus