[1] : The Collaborative International Dictionary of English v.0.48

accusative \accu"sative\, a. f. accusatif, l. accusativus in
   sense 2, fr. accusare. see accuse.
   1913 webster
   1. producing accusations; accusatory. "this hath been a very
      accusative age." --sir e. dering.
      1913 webster

   2. gram. applied to the case as the fourth case of latin
      and greek nouns which expresses the immediate object on
      which the action or influence of a transitive verb
      terminates, or the immediate object of motion or tendency
      to, expressed by a preposition. it corresponds to the
      objective case in english.
      1913 webster
see also:
accuse 

[2] : The Collaborative International Dictionary of English v.0.48

accusative \accu"sative\, n. gram.
   the accusative case.
   1913 webster

[3] : WordNet (r) 2.0

accusative
     adj 1: containing or expressing accusation; "an accusitive
            forefinger"; "black accusatory looks"; "accusive shoes
            and telltale trousers"- o.henry; "his accusing glare"
            syn: accusatory, accusing, accusive
     2: serving as or indicating the object of a verb or of certain
        prepositions and used for certain other purposes;
        "objective case"; "accusative endings" syn: objective
     n : the category of nouns serving as the direct object of a verb
         syn: accusative case, objective case
see also:
accusatory accusing accusive objective accusative case objective case 

Accusative >> A Words
Accusative, definition of term: Accusative
accusative_pag1.html

Accusative Case >> A Words
Accusative Case, definition of term: Accusative Case
accusative+case_pag1.html