Definitions of execute:

• verb:   kill as a means of socially sanctioned punishment

  Example: "In some states, criminals are executed"

• verb:   murder execution-style

  Example: "The Mafioso who collaborated with the police was executed"

• verb:   carry out the legalities of

  Example: "Execute a will or a deed"

• verb:   sign in the presence of witnesses

  Example: "The President executed the treaty"

• verb:   carry out a process or program, as on a computer or a machine

  Example: "The computer executed the instruction"

• verb:   carry out or perform an action

  Example: "The skater executed a triple pirouette"

• verb:   put in effect

  Example: "Execute the decision of the people"