Instrumentality

Noun

 * 1)  The quality or condition of being instrumental; serving a purpose, being useful.
 * 2) *1902, William James, The Varieties of Religious Experience, Folio Society 2008, p. 294:
 * In a later vision the Saviour revealed to her in detail the ‘great design’ which he wished to establish through her instrumentality.
 * 1)  A governmental organ with a specific purpose.
 * 2) *1994, Title 17 of the United States Code, §104A(a)(1)(B):
 * Any work in which the copyright was ever owned or administered by the Alien Property Custodian and in which the restored copyright would be owned by a government or instrumentality thereof, is not a restored work.
 * 1)  Something that is instrumental

Thesaurus
agency, agent, channel, device, energy, expedient, force, going between, instrument, instrumentation, intermediation, machinery, mean, mechanism, mediation, medium, might, ministry, organ, power, recourse, resort, service, vehicle

Etymology
From.