The Collaborative International Dictionary of English v.0.48:

Prescient \Pre"sci*ent\ (pr[=e]"sh[i^]*ent or -shent), a. [L.
   praesciens, -entis, p. pr. of praescire to foreknow; prae
   before + scire to know: cf. F. prescient. See Science.]
   Having knowledge of coming events; foreseeing; conscious
   beforehand. --Pope.
   [1913 Webster]

         Henry . . . had shown himself sensible, and almost
         prescient, of this event.                --Bacon.
   [1913 Webster]

WordNet (r) 3.0 (2006):

prescient
    adj 1: perceiving the significance of events before they occur;
           "extraordinarily prescient memoranda on the probable
           course of postwar relations"-R.H.Rovere