The Collaborative International Dictionary of English v.0.48:

Charming \Charm"ing\, a.
   Pleasing the mind or senses in a high degree; delighting;
   fascinating; attractive.
   [1913 Webster]

         How charming is divine philosophy.       --Milton.

   Syn: Syn. - Enchanting; bewitching; captivating; enrapturing;
        alluring; fascinating; delightful; pleasurable;
        graceful; lovely; amiable; pleasing; winning. --
        Charm"ing*ly, adv. -- Charm"ing*ness, n.
        [1913 Webster]

WordNet (r) 3.0 (2006):

charmingly
    adv 1: in a charming manner