preemptive

from WordNet (r) 3.0 (2006)

preemptive
    adj 1: designed or having the power to deter or prevent an
           anticipated situation or occurrence; "a preemptive
           business offer" [syn: {preemptive}, {pre-emptive}]

from The Collaborative International Dictionary of English v.0.48

Preemptive \Pre*["e]mp"tive\, a.
   Of or pertaining to pre["e]mption; having power to
   pre["e]mpt; pre["e]mpting.
   [1913 Webster]

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