summit summit /ˈsʌmɪt/

noun

1. A meeting of heads of governments  ( summit , summit meeting )
   a meeting of heads of governments
   
   
2. The top or extreme point of something (usually a mountain or hill)  ( crown , summit , tip , crest , peak , top )
   the top or extreme point of something (usually a mountain or hill)
    The view from the peak was magnificent
   the view from the peak was magnificent
    They clambered to the tip of Monadnock
   they clambered to the tip of Monadnock
    The region is a few molecules wide at the summit
   the region is a few molecules wide at the summit
   
3. The highest level or degree attainable; the highest stage of development  ( acme , meridian , pinnacle , elevation , peak , summit , superlative , tiptop , top , height )
   the highest level or degree attainable; the highest stage of development
    His landscapes were deemed the acme of beauty
   his landscapes were deemed the acme of beauty
    The artist's gifts are at their acme
   the artist's gifts are at their acme
    At the height of her career
   at the height of her career
    The peak of perfection
   the peak of perfection
    Summer was at its peak
   summer was at its peak
    ...catapulted Einstein to the pinnacle of fame
   ...catapulted Einstein to the pinnacle of fame
    The summit of his ambition
   the summit of his ambition
    So many highest superlatives achieved by man
   so many highest superlatives achieved by man
    At the top of his profession
   at the top of his profession
   

verb

1. Reach the summit (of a mountain)  ( breast , summit )
   reach the summit (of a mountain)
    They breasted the mountain
   They breasted the mountain
    Many mountaineers go up Mt. Everest but not all summit
   Many mountaineers go up Mt. Everest but not all summit