Realization (noun)

1. An understanding or discovery of the nature or meaning of something.
2. The achievement of something desired or planned.

Origin:

Late middle english: from old french, from medieval latin realizare, from latin realis "real".

Examples:

1. The scientist had a sudden realization about the solution to the problem.
2. The student had an epiphany, a realization about the subject they were studying.
3. The athlete had a sense of realization after breaking their personal record.
4. The musician had a realization of their lifelong dream when they signed with a record label.
5. The entrepreneur had a realization of their vision for the company after securing funding.