Consummation (noun)

The completion or fulfillment of something; the achievement of a desired end.

Origin:

Late middle english. from latin consummatio, from consummare.

Examples:

1. The wedding was the consummation of their love for each other.
2. The project was finally completed after many years of hard work, and the team celebrated its consummation.
3. The treaty marked the consummation of years of negotiations between the two nations.
4. The new law represented the consummation of a decade-long effort by activists.
5. The championship game was the consummation of a season filled with hard work and determination.