acme (noun)
1: 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" [syn: height, elevation, peak, pinnacle, summit, superlative, top]
2: the highest point (of something); "at the peak of the pyramid" [syn: vertex, peak, apex]