Source : Webster's Revised Unabridged Dictionary (1913)

Comfortably \Com"fort*a*bly\, adv.
   In a comfortable or comforting manner.

         Speak ye comfortably to Jerusalem.       --Is. xl. 2.

Source : WordNet®

comfortably
     adv 1: in mental comfort; without stress; "he works comfortably on
            three continents"
     2: in physical comfort; "she could have been lying comfortably
        in bed getting the same relief" [ant: {uncomfortably}]
     3: in financial comfort; "They live well"; "she has been able
        to live comfortably since her husband died" [syn: {well}]