B1
a ceremony at which students are given a certificate stating a course of study has been successfully completed or a degree has been awarded
Dictionary examples:
At my graduation, I tripped on my gown and rolled across the stage. (0.0)
The graduation speaker fell asleep during his own speech. (0.0)
During graduation, my cap flew off and landed on the dean's head. (0.0)
We all went out to lunch after Casey's graduation. (20.5)
Ann decided not to go to graduation. (30.2)