execution - noun

putting a condemned person to death

the act of performing; of doing something successfully; using knowledge as distinguished from merely possessing it

(computer science) the process of carrying out an instruction by a computer

(law) the completion of a legal instrument (such as a contract or deed) by signing it (and perhaps sealing and delivering it) so that it becomes legally binding and enforceable

a routine court order that attempts to enforce the judgment that has been granted to a plaintiff by authorizing a sheriff to carry it out

the act of accomplishing some aim or executing some order

unlawful premeditated killing of a human being by a human being

execution - thesaurus

executing   implementation   murder   performance   slaying