Source : Webster's Revised Unabridged Dictionary (1913)

Famously \Fa"mous*ly\, adv.
   In a famous manner; in a distinguished degree; greatly;
   splendidly.

         Then this land was famously enriched With politic grave
         counsel.                                 --Shak.

Source : WordNet®

famously
     adv 1: in a manner or to an extent that is well known; "in his
            famously anecdotal style"
     2: in a splendid manner; "he did splendidly in the exam"; "we
        got along famously" [syn: {magnificently}, {splendidly}]