pinnacle

pinnacle (http://definr.com/pinnacle)

     n 1: (architecture) a slender upright spire at the top of a
          buttress of tower
     2: 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: acme, height, elevation,
         peak, summit, superlative, top]
     3: a lofty peak
     v 1: set on or as if on a pinnacle; "pinnacle a pediment"
     2: raise on or as if on a pinnacle: "He did not want to be
        pinnacled"