Was heißt »Ableistung« auf Englisch?

Das Substantiv Ableistung lässt sich wie folgt von Deutsch auf Englisch übersetzen:

Antonyme

The execution of the project took two months.
One of Sherlock Holmes’s defects–if, indeed, one may call it a defect–was that he was exceedingly loth to communicate his full plans to any other person until the instant of their fulfilment.
For the woman the child is a completion, and a liberation from all strangeness and insecurity: it is also, mentally, a sign of maturity.
I know now just how people feel who are being led to execution.
If I were asked to choose between execution and life in prison I would, of course, choose the latter. It's better to live somehow than not at all.
Neither snow nor rain nor heat nor gloom of night stays these couriers from the swift completion of their appointed rounds.
The President had the power to save the men from execution at the stroke of a pen.
Paper is patient. It can be a long time from the planning stage till the execution of a project. Not everything agreed on paper will be respected and accomplished. There is much written down that is wrong.
American forces announced the completion of their mission in Iraq.
This building is near completion.
I intend to take a month's vacation on completion of this work.