preemptive
1. [ adjective ] designed or having the power to deter or prevent an anticipated situation or occurrence
Examples:

"a preemptive business offer

Related terms: preventive
Similar spelling:   preempt
  preemption
  preemptor
  pre-emption
  primping
  promptitude
  prompting
  prompter
  prenuptial
  preamble
  pre-emptor