culminate in/with sth›to finish with a particular event, or reach a final result after gradual development and often a lot of effort: The course culminates in a series of written exams.His career culminated with the post of ambassador to NATO.
›[T]USto be the final thing in a series of events: The discovery of a body culminated two days of desperate searching.
culmination
/ˌkʌlmɪˈneɪʃən/noun[no plural]›This discovery is the culmination of years of research.