[noun] the highest level or degree attainable; "his landscapes were deemed the acme of beauty"; "the artist's gifts are at their acme"; "at the height of her career"; "the peak of perfection"; "summer was at its peak"; "...catapulted Einstein to the pinnacle of fame"; "the summit of his ambition"; "so many highest superlatives achieved by man"; "at the top of his profession" Synonyms: acme, height, elevation, peak, pinnacle, superlative, top
[noun] the top point of a mountain or hill; "the view from the peak was magnificent"; "they clambered to the summit of Monadnock" Synonyms: peak, crown, crest, top, tip
[noun] a meeting of heads of governments Synonyms: meeting
[verb] reach the summit of a mountain; "Many mountaineers go up Mt. Everest but not all summit"