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commencement  (commencements plural )
1  n-uncount The commencement of something is its beginning. 
FORMAL usu the N of n 
All applicants should be at least 16 years of age at the commencement of this course.  
2  n-var Commencement is a ceremony at a university, college, or high school at which students formally receive their degrees or diplomas. 
 (AM) usu N n 
in BRIT, use  graduation  

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