pinnacle

Meanings

• (architecture) a slender upright spire at the top of a buttress of tower
• the highest level or degree attainable; the highest stage of development
  • "...catapulted Einstein to the pinnacle of fame"
• a lofty peak
• surmount with a pinnacle
  • "pinnacle a pediment"
• raise on or as if on a pinnacle
  • "He did not want to be pinnacled"

Synonyms

acme, elevation, height, meridian, peak, summit, superlative, tiptop, top