to execute

from Bouvier's Law Dictionary, Revised 6th Ed (1856)
TO EXECUTE. To make, to perform, to do, to follow out. This term is 
frequently used in the law; as, to execute a deed is to make a deed. 
     2. It also signifies to perform, as to execute a contract; hence some 
contracts are called executed contracts, and others are called executory 
contracts. 
     3. To execute also means to put to death by virtue of a lawful 
sentence; as, the sheriff executed the convict. 
    

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