Acme

Ac"me (?), n. [Gr. ? point, top.] 1. The top or highest point; the culmination.

The very acme and pitch of life for epic poetry.
Pope.

The moment when a certain power reaches the acme of its supremacy.
I. Taylor.

2. (Med.) The crisis or height of a disease.

3. Mature age; full bloom of life. B. Jonson.