The Collaborative International Dictionary of English v.0.48:
Digestibleness \Di*gest"i*ble*ness\, n. The quality of being digestible; digestibility. [1913 Webster]WordNet (r) 3.0 (2006):
digestibleness n 1: the property of being easy to digest [syn: digestibility, digestibleness] [ant: indigestibility, indigestibleness]