noun (n)

• putting a condemned person to death(noun.act)

  Synonym:
  capital punishment, death penalty, executing
  

  source: wordnet30
• the act of performing; of doing something successfully; using knowledge as distinguished from merely possessing it(noun.act)

  Synonym:
  carrying into action, carrying out, performance
  

  source: wordnet30
• (computer science) the process of carrying out an instruction by a computer(noun.process)

  Synonym:
  instruction execution
  

  source: wordnet30
• (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(noun.communication)

  Synonym:
  execution of instrument
  

  source: wordnet30
• 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(noun.communication)

  Synonym:
  writ of execution
  

  source: wordnet30
• the act of accomplishing some aim or executing some order(noun.act)

  Synonym:
  carrying out, implementation
  

  source: wordnet30
• unlawful premeditated killing of a human being by a human being(noun.act)

  Synonym:
  murder, slaying
  

  source: wordnet30
• The act of executing; a carrying into effect or to completion; performance; achievement; consummation; as, the execution of a plan, a work, etc.(noun)

  source: webster1913