A high point: the highest point of any range, the most developed stage of any process, or the culmination of any field or historical period.
A paragon: a person or thing representing such a high point.
Synonym of crisis, the decisive moment in the course of an illness.
Full bloom or reproductive maturity.
The extreme (e.g. highest, lowest, deepest, farthest, etc) extent or degree of something.
An adjective used to praise something exceptional.
The form of an adjective that expresses which of several items has the highest degree of the quality expressed by the adjective; in English, formed by appending "-est" to the end of the adjective (for some short adjectives only) or putting "most" before it.
Exceptionally good; of the highest quality; superb.
Of or relating to a superlative.