Source : Webster's Revised Unabridged Dictionary (1913)

Deliciously \De*li"cious*ly\, adv.
   Delightfully; as, to feed deliciously; to be deliciously
   entertained.

Source : WordNet®

deliciously
     adv 1: in a very pleasurable manner; "they were walking along the
            beach slowly and deliciously" [syn: {pleasurably}]
     2: so as to produce a delightful taste; "I bought some more of
        these deliciously sweet peaches" [syn: {lusciously}, {scrumptiously}]