What is another word for "instrumentality"?

Roget's Thesaurus (1911) lists these synonyms for "instrumentality": accoucheur, accoucheuse, act, acting, action, affect, agency, aid, all, along, anchor, and, any, applicability, aptitude, aptness, assistance, bear, bend, bent, bias, bid, bow, bring, calculated, capital, carry, cast, causation, come, conatus, conduce, conducive, conduciveness, contribute, crook, despair, dint, direction, dispose.