Simple past tense and past participle of stablish.(verb)
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Use "stablished" in a sentence
"Has ______________ stablished any procedures for working with the military?"
"If Obama wins, he will have established that being black is as relevant to your ability to do a hard job as being left-handed or ginger-haired, and he will have re-stablished America's claim to be the last, best hope of Earth."
"If thou do this, thou wilt cheer thy friends as well as thyself, and thou shalt rear my Hector's child to lend stout aid to Ilium, that so thy children in the after-time may build her up again, and our city yet be stablished."