culmination
/kʌl.mɪˈneɪ.ʃən/Definitions
1. noun
the most extreme or highest point of something; the climax or culmination of a process or situation
“The culmination of her years of hard work was when she finally landed her dream job.”
2. verb
to reach the highest or most extreme point of something
“The storm will culminate in a massive tornado tonight.”