Culmination
WordNet
noun
(1) A concluding action
(2) The decisive moment in a novel or play
"The deathbed scene is the climax of the play"
(3) (astronomy) a heavenly body's highest celestial point above an observer's horizon
(4) A final climactic stage
"Their achievements stand as a culmination of centuries of development"
WiktionaryText
Noun
- The attainment of the highest point of altitude reached by a heavenly body; passage across the meridian; transit.
- Attainment or arrival at the highest pitch of glory, power, etc.