Source : Webster's Revised Unabridged Dictionary (1913)

Copiously \Co"pi*ous*ly\, adv.
   In a copious manner.

Source : WordNet®

copiously
     adv : in an abundant manner; "they were abundantly supplied with
           food"; "he thanked her profusely" [syn: {abundantly}, {profusely},
            {extravagantly}]