Source : Webster's Revised Unabridged Dictionary (1913)

Magnificence \Mag*nif"i*cence\, n. [F. magnificence, L.
   magnificentia. See {Magnific}.]
   The act of doing what magnificent; the state or quality of
   being magnificent. --Acts xix. 27. ``Then cometh
   magnificence.'' --Chaucer.

         And, for the heaven's wide circuit, let it speak The
         Maker's high magnificence, who built so spacious.
                                                  --Milton.

         The noblest monuments of Roman magnificence. --Eustace.

Source : WordNet®

magnificence
     n 1: splendid or imposing in size or appearance; "the grandness
          of the architecture" [syn: {impressiveness}, {grandness}]
     2: the quality of being magnificent or splendid or grand [syn:
        {brilliance}, {splendor}, {splendour}, {grandeur}, {grandness}]