Entry 1 sense Webster, 1913 Preordain /prēˌ-ôr-dān'/ · Pre·or·dain · IPA /prˌiːɔrdˈeɪn/ 01 v. t. To ordain or appoint beforehand: to predetermine: to foreordain. 1. To ordain or appoint beforehand: to predetermine: to foreordain.