prevenient

from WordNet (r) 3.0 (2006)

prevenient
    adj 1: in anticipation [syn: {anticipatory}, {prevenient}]

from The Collaborative International Dictionary of English v.0.48

Prevenient \Pre*ven"i*ent\, a. [L. praeveniens, p. pr.]
   Going before; preceding; hence, preventive. "Prevenient grace
   descending." --Milton.
   [1913 Webster]