The Collaborative International Dictionary of English v.0.48:
Appealing \Ap*peal"ing\, a. That appeals; imploring. -- Ap*peal"ing*ly, adv. -- Ap*peal"ing*ness, n. [1913 Webster]WordNet (r) 3.0 (2006):
appealingly adv 1: in an appealing manner; "the table was set appealingly" [ant: unappealingly]