execute

verb

1. kill as a means of socially sanctioned punishment"In some states, criminals are executed"
2. murder in a planned fashion"The Mafioso who collaborated with the police was executed"
3. put in effect"carry out a task"
4. carry out the legalities of"execute a will or a deed"
5. carry out a process or program, as on a computer or a machine"Run the dishwasher"
6. carry out or perform an action"John did the painting, the weeding, and he cleaned out the gutters"
7. sign in the presence of witnesses"The President executed the treaty"