1
n advantage, aid, asset, assistance, avail, betterment, blessing, boon, boot (obsolete) favour, gain, good, help, inside track (informal) interest, mileage (informal) profit, use, utility
2
vb advance, advantage, aid, ameliorate, assist, avail, better, enhance, further, improve, profit, promote, serve
Antonyms
, n damage, detriment, disadvantage, downside, harm, impairment, injury, loss
vb damage, deprive, detract from, harm, impair, injure, worsen