Definition of culminates:
(v) :
(intransitive, figuratively) To reach a climax; to come to a decisive point, especially an end or conclusion.
(v) :
(intransitive) To reach the (physical or figurative) summit, highest point, peak etc.
(v) :
(transitive) To finalize, bring to a conclusion, form the climax of.
(v) :
(intransitive, astronomy) Of a heavenly body, to be at the highest point, reach its greatest altitude.
(v) :
(US, military, of an offensive, etc) To reach a point at which continued progress is not possible.
(adj) :
(anatomy) Relating to the culmen.