See instrument in Webster's New World Roget's A-Z Thesaurus II
noun
That by which something is accomplished or some end achieved:
agency, agent, instrumentality, instrumentation, intermediary, mean3 (used in plural), mechanism, medium, organ. See meansA person used or controlled by others:
cat's-paw, dupe, pawn2, puppet, stooge, tool. See overA device used to do work or perform a task:
implement, tool, utensil. See machine, means
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