culmination

definition: a concluding action
example:
speech part: noun
synonyms: completion
definition: the decisive moment in a novel or play
example:
speech part: noun
synonyms: climax
definition: (astronomy) a heavenly body's highest celestial point above an observer's horizon
example:
speech part: noun
synonyms:
definition: a final climactic stage
example: their achievements stand as a culmination of centuries of development
speech part: noun
synonyms: apogee

culmination is explained and pronounced

How culmination is being used?