To reach a climax; to come to a decisive point, especially an end or conclusion.
To finalize, bring to a conclusion, form the climax of.
To reach a point at which continued progress is not possible.
Of a heavenly body, to be at the highest point, reach its greatest altitude.
To reach the (physical or figurative) summit, highest point, peak etc.
Relating to the culmen
To make one's début.
A person’s or thing’s first appearance before society or another audience; one’s “maiden voyage”.