noun
culmination
kul-mih-NAY-shun/ˌkʌlmɪˈneɪʃn/
The highest or final point of a process.
The final capstone marks the culmination of the cathedral's construction.

Etymology
The root’s summit supplies the image of a process having a peak. Culmination names that highest stage or the final result toward which the process has been moving.
In context
culmination will be at 10 o clock on Thursday June 4th 2020 and it's just a day to celebrate all the hard work that you've done all the things that you've learned in kindergarten
More examples
- Graduation marks the culmination of her training.
- The final agreement represents the culmination of long negotiations.
- The festival reaches its culmination with the evening procession.
Forms
culmination
Similar words
- climax
- Emphasizes a peak of intensity rather than the completion of a process.
- completion
- Completion simply finishes something; culmination suggests the end toward which earlier stages have led.