What is the meaning of Graduation?

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

A commencement ceremony.

The action or process of leaving a group.

A marking (e.g., on a container) indicating a measurement on a scale, usually one of many such markings.

The exposure of a liquid in large surfaces to the air, so as to hasten its evaporation.

graduation (marking (e.g., on a container) indicating a measurement, usually one of many such markings that are each separated by a constant interval)

the process of creating such markings

encoding of a sound or image producing a digital signal of which one may use a greater or lesser part corresponding to better or worse quality

Source: wiktionary.org