"culmination" in the noun sense
1. apogee, culmination
a final climactic stage
"their achievements stand as a culmination of centuries of development"
2. culmination
astronomy) a heavenly body's highest celestial point above an observer's horizon
3. climax, culmination
the decisive moment in a novel or play
"the deathbed scene is the climax of the play"
4. completion, culmination, closing, windup, mop up
a concluding action
Source: WordNet® (An amazing lexical database of English)
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