Source : Webster's Revised Unabridged Dictionary (1913)

Interpretative \In*ter"pre*ta*tive\, a. [Cf. F.
   interpr['e]tatif.]
   1. Designed or fitted to interpret; explanatory.
      ``Interpretative lexicography.'' --Johnson.

   2. According to interpretation; constructive.

            An interpretative siding with heresies. --Hammond.

Source : WordNet®

interpretative
     adj : that provides interpretation [syn: {interpretive}]