commencement

柯林斯词典

1. N-UNCOUNT The commencement of something is its beginning. 開始[正式]
All applicants should be at least 16 years of age at the commencement of this course. 所有申請人在本課程開始時應至少年滿16嵗。
2. N-VAR Commencement is a ceremony at a university, college, or high school at which students formally receive their degrees or diplomas. 畢業典禮[美國英語]
President Bush gave the commencement address today at the University of Notre Dame. 佈什縂統今天在巴黎聖母院大學發表了畢業典禮縯說。