Collocations for graduation - noun

college, high-school (esp. AmE), university

ceremony, day
Mark's whole family attended his graduation ceremony.

speech (esp. AmE)
speaker (esp. AmE)
party (esp. AmE)
gift (AmE), present (esp. AmE)
gown
She was wearing a mortar board and graduation gown.

rate (esp. AmE)

after graduation
She managed to find a job immediately after graduation.

on graduation, upon graduation
On graduation, he plans to travel around Asia.