The Collaborative International Dictionary of English v.0.48:
Legibly \Leg"i*bly\, adv. In a legible manner. [1913 Webster]WordNet (r) 3.0 (2006):
legibly adv 1: in a legible manner; "you must write legibly" [syn: legibly, decipherably, readably] [ant: illegibly, undecipherably, unreadably]