The Collaborative International Dictionary of English v.0.48:
Legibility \Leg`i*bil"i*ty\ (l[e^]j`[i^]*b[i^]l"[i^]*t[y^]), n. The quality of being legible; legibleness. --Sir. D. Brewster. [1913 Webster]WordNet (r) 3.0 (2006):
legibility n 1: distinctness that makes perception easy [syn: discernability, legibility] 2: a quality of writing (print or handwriting) that can be easily read [syn: legibility, readability] [ant: illegibility]