pre·es·tab·lish or pre-es·tab·lish (pr-st b l sh) tr.v. pre·es·tab·lished or pre-es·tab·lished, pre·es·tab·lish·ing or pre-es·tab·lish·ing, pre·es·tab·lish·es ...
MLA Style "preestablish." Webster's New World College Dictionary. 2009. Your Dictionary. 29 June 2009 <www.yourdictionary.com/preestablish> APA Style
Pre·ës·tab·lish v. t. To establish beforehand.