Main entry: closing, completion, windup, mop up, culmination
Definition: a concluding action
Main entry: culmination, climax
Definition: the decisive moment in a novel or play
Usage: the deathbed scene is the climax of the play
Main entry: culmination
Definition: (astronomy) a heavenly body's highest celestial point above an observer's horizon
Main entry: culmination, apogee
Definition: a final climactic stage
Usage: their achievements stand as a culmination of centuries of development