completion · noun U /kəmˈpliː.ʃən/
Word family
Nouns: completion, incomplete
Adjectives: complete, incomplete
Verbs: complete
Adverbs: completely
completion
C1 when something that you are doing or making is finished
Dictionary examples:
The stadium is due for completion in 2016.
They will be paid on completion of the job.
Learner example:
After the completion of the work at the newly-built part of the airport and its opening for service, the formerly quiet part of the town has become a victim of the above mentioned kind of noise, even more than the parts which have had this problem for [a] long [time]. (Certificate of Proficiency in English; C2; German)