Simple past tense and past participle of initiate.(verb)
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Use "initiated" in a sentence
"Plutarch says that to die is to be initiated into the greater Mysteries; and the Greek word τελευτᾷν, which signifies _to die_, means also _to be initiated_."
"Soft landscaping is a term initiated and used by enthusiasts of la ..."
"During the summer of 2005, Griffin initiated the ESAS."