Synonym of crisis, the decisive moment in the course of an illness.
A paragon: a person or thing representing such a high point.
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.
Full bloom or reproductive maturity.
A meeting convened to address a crisis or to make a plan of attack.
A committee of high-ranking military officers convened to consult on urgent matters in wartime.