Source : Webster's Revised Unabridged Dictionary (1913)

Perfectly \Per"fect*ly\, adv.
   In a perfect manner or degree; in or to perfection;
   completely; wholly; throughly; faultlessly. ``Perfectly
   divine.'' --Milton.

         As many as touched were made perfectly whole. --Matt.
                                                  xiv. 36.

Source : WordNet®

perfectly
     adv 1: completely and without qualification; used informally as
            intensifiers; "an absolutely magnificent painting"; "a
            perfectly idiotic idea"; "you're perfectly right";
            "utterly miserable"; "you can be dead sure of my
            innocence"; "was dead tired"; "dead right" [syn: {absolutely},
             {utterly}, {dead}]
     2: in a perfect or faultless way; "She performed perfectly on
        the balance beam"; "spoke English perfectly"; "solved the
        problem perfectly" [ant: {imperfectly}]