To kill as punishment for capital crimes.
There are certain states where it is lawful to execute prisoners convicted of certain crimes.
To carry out; to put into effect.
I'll execute your orders as soon as this meeting is adjourned.
To perform.
to execute a difficult piece of music brilliantly
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
To run, usually successfully.
The program executed, but data problems were discovered.