#1 graduation n. the successful completion of a program of study. wn
#2 graduation n. [commencement, commencement exercise, commencement ceremony, graduation exercise] an academic exercise in which diplomas are conferred. wn
#3 graduation n. a line (as on a vessel or ruler) that marks a measurement; "the ruler had 16 graduations per inch". wn
#4 graduation n. [gradation] the act of arranging in grades. wn
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