initiation
/ɪˌnɪʃɪˈeɪʃn; ɪˌnɪʃɪ`eʃən/ n[U]
1 ~ (of sth) (fml 文) bringing sth into effect; starting 开始实施; 开始; 创始; 发起
the initiation of an investigation 调查的开始.
2 ~ (into sth) initiating or being initiated (into sth) 入会; 加入, 被接纳加入（某事物）
[attrib 作定语]
an initiation ceremony 入会仪式.