Source : Webster's Revised Unabridged Dictionary (1913)

Consultive \Con*sult"ive\, a.
   Determined by, or pertaining to, consultation; deliberate;
   consultative.

         He that remains in the grace of God sins not by any
         deliberative, consultive, knowing act.   --Jer. Taylor.

Source : WordNet®

consultive
     adj : giving advice; "an advisory memorandum", "his function was
           purely consultative" [syn: {advisory}, {consultative},
           {consultatory}]