Source : Webster's Revised Unabridged Dictionary (1913)

Imputable \Im*put"a*ble\, a. [Cf. F. imputable.]
   1. That may be imputed; capable of being imputed; chargeable;
      ascribable; attributable; referable.

            A prince whose political vices, at least, were
            imputable to mental incapacity.       --Prescott.

   2. Accusable; culpable. [R.]

            The fault lies at his door, and she is no wise
            imputable.                            --Ayliffe.

Source : WordNet®

imputable
     adj : (usually followed by `to') able to be 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";
           "decide to which of these motives such extraordinary
           scenes are referable"- Charles Dickens [syn: {ascribable(p)},
            {due to(p)}, {imputable(p)}, {referable(p)}]