The Collaborative International Dictionary of English v.0.48:
Amusing \A*mus"ing\, a. Giving amusement; diverting; as, an amusing story. -- A*mus"ing*ly, adv. [1913 Webster]WordNet (r) 3.0 (2006):
amusingly adv 1: in an entertaining and amusing manner; "Hollywood has grown too sophisticated to turn out anything really amusingly bad these days" [syn: amusingly, divertingly]