ə̇ˈnish(ē)əˌtōrē, -tȯrē, -ri sometimes -isēə- adjective
Etymology: initiate + -ory
1. : constituting an introduction or beginning : introductory , opening , first
abolished as soon as its initiatory horrors were known — J.L.Motley
2. : tending or serving to initiate : introducing by instruction or by the use and application of symbols or ceremonies : elementary , rudimentary
initiatory rites