execute

kill as a means of socially sanctioned punishment; "In some states, criminals are executed"

murder in a planned fashion; "The Mafioso who collaborated with the police was executed"

put in effect; "carry out a task"; "execute the decision of the people"; "He actioned the operation"

carry out the legalities of; "execute a will or a deed"

carry out a process or program, as on a computer or a machine; "Run the dishwasher"; "run a new program on the Mac"; "the computer executed the instruction"

carry out or perform an action; "John did the painting, the weeding, and he cleaned out the gutters"; "the skater executed a triple pirouette"; "she did a little dance"

sign in the presence of witnesses; "The President executed the treaty"