execute

To kill, especially as punishment for a capital crime.

There are certain states where it is lawful to execute prisoners convicted of certain crimes.

According to international treaties, it is illegal to execute prisoners of war.

To carry out; to put into effect.

Your orders have been executed, sir!

I'll execute your orders as soon as this meeting is adjourned.

To perform.

to execute a difficult piece of music brilliantly

to execute a turn in ballet

To carry out, to perform an act; to put into effect or cause to become legally binding or valid (as a contract) by so doing.

to execute a contract

To start, launch, or run.

to execute a program