Graduation

Noun

1. The action or process of graduating and receiving a diploma for completing a course of study (such as from an educational institution).

   "The graduation ball was the students' chance to say goodbye to each other."

2. A commencement ceremony.
3. The action or process of leaving a group.

   "graduation from AKB48"

4. A marking (e.g., on a container) indicating a measurement on a scale, usually one of many such markings; the making of such marks.
5. The exposure of a liquid in large surfaces to the air, so as to hasten its evaporation.