The Collaborative International Dictionary of English v.0.48:
Ascribable \As*crib"a*ble\, a. Capable of being ascribed; attributable. [1913 Webster]WordNet (r) 3.0 (2006):
ascribable adj 1: capable of being assigned or credited to; "punctuation errors ascribable to careless proofreading"; "the cancellation of the concert was due to the rain"; "the oversight was not imputable to him" [syn: ascribable, due, imputable, referable]