Definitions of execute
to carry out the terms of a contract, a plan, an order, a will etc; to do a piece of work; to perform a duty; to enforce the terms of a judgment
The chief executive should also execute functions related to foreign affairs.
to kill someone who has been sentenced to death
Neither country has released full statistics on the number of people they execute by shooting.
to sign a legal document in order to make it legally valid
On 14 November 2007 a shareholders' agreement was executed by the four executives.