to follow out or through to the end; to carry out into complete effect; to complete; to finish; to effect; to perform.-to complete, as a legal instrument; to perform what is required to give validity to, as by signing and perhaps sealing and delivering; as, to execute a deed, lease, mortgage, will, etc.-to give effect to; to do what is provided or required by; to perform the requirements or stimulations of; as, to execute a decree, judgment, writ, or process.-to infect capital punishment on; to put to death in conformity to a legal sentence; as, to execute a traitor.-too put to death illegally; to kill.-to perform, as a piece of music, either on an instrument or with the voice; as, to execute a difficult part brilliantly.-to do one's work; to act one's part of purpose.-to perform musically.