PINNACLE
Meaning of PINNACLE in English
n.
1) to reach a ~ (to reach the ~ of one's power)
2) at a ~ (at the ~ of one's success)
The Bbi combinatory dictionary of English, a guide to word combinations.
Комбинаторный словарь английского языка Bbi. Руководство по словосочетаниям.
2012