The Collaborative International Dictionary of English v.0.48:
Confessedly \Con*fess"ed*ly\, adv. By confession; without denial. [Written also confessly.] [1913 Webster]WordNet (r) 3.0 (2006):
confessedly adv 1: as acknowledged; "true, she is the smartest in her class" [syn: true, admittedly, avowedly, confessedly]