commencements
n. 開始( commencement的名詞複數 ); 開端; 畢業典禮; 學位授予典禮
The commencement of something is its beginning.
All applicants should be at least 16 years of age at the commencement of this course.
申請修讀這門課程者至少要年滿16歲。
Commencement is a ceremony at a university, college, or high school at which students formally receive their degrees or diplomas.