initiation

柯林斯詞典

1. N-UNCOUNT The initiation of something is the starting of it. 開始; 發(fā)起
...the initiation of a rural development programme. …一項農(nóng)村發(fā)展規(guī)劃的啟動
2. N-VAR Someone's initiation into a particular group is the act or process by which they officially become a member, often involving special ceremonies. 入會; 入會儀式
This was my initiation into the peace movement. 那是我加入和平運動的開始。