The Collaborative International Dictionary of English v.0.48:

inculpative \inculpative\ adj.
   Inculpatory. [Narrower terms: accusatorial, accusatory,
   accusing; comminatory, denunciative, denunciatory;
   condemnatory, condemning ; {criminative, criminatory,
   incriminating, incriminatory ; {damnatory, damning ;
   {recriminative, recriminatory ] Also See: {guilty.

   Syn: inculpatory.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

inculpative
    adj 1: causing blame to be imputed to [syn: inculpatory,
           inculpative] [ant: exculpatory]