be useful, avail, serve, subserve, conduce
, answer, serve one's turn, answer a purpose, serve a purpose, act a part, perform a function, discharge a function, render a service, render good service, render yeoman's service, bestead, stand one in good stead be the making of, help, bear fruit, bring grist to the mill, profit, remunerate, benefit, find one's account in, find one's advantage in, reap the benefit of, render useful.
aid, assist, help, succor, lend one's aid, come to the aid, of, contribute, subscribe to, bring aid, give aid, furnish aid, afford aid, supply aid, give a helping hand, stretch a hand, lend a helping hand, lend a hand, bear a helping hand, hold out a hand, hold out a helping hand, give one a life, give one a cast, give one a turn, take by the hand, take in tow, help a lame dog over a stile, lend wings to, relieve, rescue, set up, set agoing, set on one's legs, bear through, pull through, give new life to, be the making of, reinforce, reenforce, recruit, set forward, put forward, push forward, give a lift, give a shove, give an impulse to, promote, further, forward, advance expedite, speed, quicken, hasten, support, sustain, uphold, prop, hold up, bolster, cradle, nourish, nurture, nurse, dry nurse, suckle, put out to nurse, manure, cultivate, force, foster, cherish, foment, feed the flame, fan the flame, serve, do service to, tender to, pander to, administer to, subminister to, minister to, tend, attend, wait on, take care of, entertain, smooth the bed of death, oblige, accommodate, consult the wishes of, humor, cheer, encourage, second, stand by, back, back up, pay the piper, abet, work for, make interest for, stick up for, take up the cudgels for, take up the cause of, espouse the cause of, adopt the cause of, advocate, beat up for recruits, press into the service, squire, give moral support to, keep in countenance, countenance, patronize, lend oneself to, lend one's countenance to, smile upon, shine upon, favor, befriend, take in hand, enlist under the banners of, side with, be of use to, subserve, benefit, render a service, conduce
cooperate, concur, coact, synergize, conduce
, combine, unite one's efforts, keep together, draw together, pull together, club together, hand together, hold together, league together, band together, be banded together, pool, stand shoulder to shoulder, put shoulder to shoulder, act in concert, join forces, fraternize, cling to one another, conspire, concert, lay one's heads together, confederate, be in league with, collude, understand one another, play into the hands of, hunt in couples, side with, take side with, go along with, go hand in hand with, join hands with, make common cause with, strike in with, unite with, join with, mix oneself up with, take part with, cast in one's lot with, join partnership, enter into partnership with, rally round, follow the lead of, come to, pass over to, come into the views of, be in the same boat, row in the same boat, sail in the same boat, sail on the same tack, be a party to, lend oneself to, chip in, participate, have a hand in, have a finger in the pie, take part in, bear part in, second, take the part of, play the game of, espouse a cause, espouse a quarrel.
tend, contribute, conduce
, lead, dispose, incline, verge, bend to, trend, affect, carry, redound to, bid fair to, gravitate towards, promote.
, conspire, contribute, agree, unite, hang together, pull together, join forces, make common cause, help to, keep pace with, run parallel, go with, go along with, go hand in hand with, coincide.