Learner's definition of EXECUTION
the act of killing someone especially as punishment for a crime
the act of doing or performing something
We put the plan into execution. [=we executed the plan]
The quarterback's execution of the play was perfect.
Her ideas were brilliant, but her execution (of them) was sloppy.
skillful execution of the dance steps
(law) the execution of a will [=the act of doing the things that are required by a will]