Consummation
/ˌkɑːnsəˈmeɪʃn/
Definition 1 of 2
Pro Tip 1/3Final Milestone
Use 'consummation' to signify the final step in achieving a goal, often formal and momentous. 
After years of research, the consummation of his thesis brought him immense satisfaction.
Pro Tip 2/3Business Closure
'Consummation' frequently appears in business, indicating the finalization of agreements or deals. 
The negotiations were tough, but the consummation of the agreement was beneficial for both companies.
Pro Tip 3/3Cultural Nuance
In literature or history, 'consummation' might have a grander connotation, suggesting a significant achievement. 
The revolution's success was the consummation of years of struggle.