Acme

Acme [ˈakmē]
Noun

- the point at which something is at it's best, is perfect or is most successful.

- highest point

Synonyms

pinnacle, peak, zenith

Usage

1. The actor's could never again reach the acme it once stood at during the era of silent films

2. Winning the premiere league was the acme of his career.

Antonyms

bottom, abyss