Source : Webster's Revised Unabridged Dictionary (1913)

Anticipatory \An*tic"i*pa*to*ry\, a.
   Forecasting; of the nature of anticipation. --Owen.

         Here is an anticipatory glance of what was to be. --J.
                                                  C. Shairp.

Source : WordNet®

anticipatory
     adj : in anticipation [syn: {prevenient}]