agential, agentival, agentive, aidful, assisting, beneficial, conducive to, constructive, contributory, employable, facilitating, favoring, forwarding, furthersome, good for, handy, helpful, inclined toward, inclining toward, instrumental, intermediary, leading to, mediating, mediatorial, ministerial, ministering, positive, profitable, promoting, remedial, salutary, serviceable, subservient, tending to, therapeutic, useful