culminate

Concise Oxford English Dictionary © 2008 Oxford University Press:
culminate /ˈkʌlmɪneɪt/

▶verb

• 1 (usu. culminate in) reach or be a climax or point of highest development.

• 2 archaic or Astrology (of a celestial body) reach or be at the meridian.

– derivatives
culmination noun.

– origin C17: from late L. culminat-, culminare, from L. culmen ‘summit’.