The Collaborative International Dictionary of English v.0.48:

Glorious \Glo"ri*ous\, a. [OF. glorios, glorious, F. glorieux,
   fr. L. gloriosus. See Glory, n.]
   [1913 Webster]
   1. Exhibiting attributes, qualities, or acts that are worthy
      of or receive glory; noble; praiseworthy; excellent;
      splendid; illustrious; inspiring admiration; as, glorious
      deeds.
      [1913 Webster]

            These are thy glorious works, Parent of good !
                                                  --Milton.
      [1913 Webster]

   2. Eager for glory or distinction; haughty; boastful;
      ostentatious; vainglorious. [Obs.]
      [1913 Webster]

            Most miserable
            Is the desire that's glorious.        --Shak.
      [1913 Webster]

   3. Ecstatic; hilarious; elated with drink. [Colloq.]
      [1913 Webster]

            kings may be blest, but Tam was glorious,
            O'er all the ills of life victorious. --Burns.
      [1913 Webster]

            During his office treason was no crime,
            The sons of Belial had a glorious time. --Dryden.

   Syn: Eniment; noble; excellent; renowned; illustrious;
        celebrated; magnificent; grand; splendid. --
        Glo"ri*ous*ly, adv. -- Glo"ri*ous*ness, n. --Udall.
        [1913 Webster]

              Sing ye to the Lord, for he hath triumphed
              gloriously.                         --Ex. xv. 21.
        [1913 Webster]

              I speak it not gloriously, nor out of affectation.
                                                  --B. Jonson.
        [1913 Webster]

WordNet (r) 3.0 (2006):

gloriously
    adv 1: with glory or in a glorious manner; "where others had
           failed he had gloriously succeeded"
    2: blessedly or wonderfully; "how gloriously happy she had been
       during those few fleeting moments of time"