Толковый словарь английского языка - initiate

I. transitive verb (-ated; -ating) Etymology: Late Latin initiatus, past participle of initiare, from Latin, to induct, from initium Date: 1533 to cause or facilitate the beginning of ; set going , to induct into membership by or as if by special rites, to instruct in the rudiments or principles of something ; introduce, see: begin initiator noun II. adjective Date: 1537 1. ~d or properly admitted (as to membership or an office), instructed in some secret knowledge, relating to an ~, III. noun Date: 1811 a person who is undergoing or has undergone an initiation, a person who is instructed or adept in some special field