A Graduation

1. The action or process of graduating and receiving a diploma for completing a course of study (such as from an educational institution).
2. A commencement ceremony.
3. (sciences) A marking (e.g., on a container) indicating a measurement on a scale, usually one of many such markings.
4. The exposure of a liquid in large surfaces to the air, so as to hasten its evaporation.
5. (Japanese entertainment) The action or process of graduating (leaving a group).