Source : Webster's Revised Unabridged Dictionary (1913)

Richly \Rich"ly\, adv.
   In a rich manner.

Source : WordNet®

richly
     adv 1: to an ample degree or in an ample manner; "these voices were
            amply represented"; "we benefited richly" [syn: {amply}]
            [ant: {meagerly}]
     2: in a rich manner; "he lives high" [syn: {high}, {luxuriously}]
     3: in a rich and lavish manner; "lavishly decorated" [syn: {lavishly},
         {extravagantly}]