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).
2. A commencement ceremony.
3. A marking (e.g., on a container) indicating a measurement, usually one of many such markings that are each separated by a constant interval.
4. The exposure of a liquid in large surfaces to the air, so as to hasten its evaporation.