The Collaborative International Dictionary of English v.0.48:

Prescience \Pre"sci*ence\ (pr[=e]"sh[i^]*ens or pr[=e]"shens;
   277), n. [F. prescience, L. praescientia. See Prescient.]
   Knowledge of events before they take place; foresight.
   [1913 Webster]

         God's certain prescience of the volitions of moral
         agents.                                  --J. Edwards.
   [1913 Webster]

WordNet (r) 3.0 (2006):

prescience
    n 1: the power to foresee the future [syn: prescience,
         prevision]