noun / verb
summit
SUM-it/ˈsʌmɪt/
The highest point of a mountain or hill, or reaching it.
The climber stands on the summit above the surrounding ridges.

Etymology
A diminutive of som, 'top,' named the peak of a physical thing. That image of the highest reachable point extends naturally to the greatest level of achievement.
In context
less than 400 people have ever reached the summit of k2 and lived to talk about it
More examples
- They summited the mountain shortly after dawn.
- Snow covered the highest summit.
- We are hoping to summit before the weather changes.
Forms
summit · summits · summited · summiting