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graduation; completion (of a course)
moving on (from); outgrowing (something)
leaving (a group, company, etc.); quitting
大学を卒業したばかりです。
I just graduated from university.
来年の三月に高校を卒業する予定だ。
I plan to graduate from high school next March.
卒業してからもう五年も経ったなんて早い。
It's already been five years since graduation — time flies.