IPA: /ɔːrˈdeɪn/
KK: /ɔrˈdeɪn/
To officially appoint someone to a religious position or to declare something as a rule or order.
The bishop will ordain new priests during the ceremony.
Past: ordained
Past Participle: ordained
Ordain → It is formed from "ordo" (meaning order) and the suffix "-ain" (which indicates to make or to cause). The word "ordain" means to make someone a part of an order, particularly in a religious context, or to establish something in a formal manner.
Think of 'order' ('ordo') and remember that to 'ordain' means to formally establish someone in a position or role.