What is another word for "instrumental"?

Roget's Thesaurus (1911) lists these synonyms for "instrumental": accoucheur, accoucheuse, affect, agency, aid, all, along, anchor, and, any, applicability, aptitude, aptness, assistance, bend, bent, bias, bid, bow, calculated, capital, carry, cast, conatus, conduce, conducive, conduciveness, contribute, crook, dint, direction, dispose, drift, expedient, fair, find, for, foul, grain, gravitate.