Synonyms for Gain:

n.

upswing, development, turnaround, step change, makeover, a change for the better/worse, self-improvement, accretion, leap. find, receipts, accept. enter, come by, land, pick up, appear, arrive, come in. privilege, edge, trump card, virtue, asset, cop, incentive. bondholder, broker-dealer, bear market, rate, bull, bull market, bullish, bear, deserve, bid, bearish, merit, bid price. money, make capital out of something, take advantage of something, jump at, exploit, leap at the chance/opportunity/offer, pull down, seize an opportunity/chance. help, capitalize. build up. hit on, start. rally, convalesce, mend, recover, perk up, recuperate, improve, come around, health. acquisition (noun)
appropriation, annexation, claim, addition, purchase, assumption, accumulation, procurement, acquisition, collection.
attribute (noun)
profit.
benefit (noun)
favor, success, progress, blessing, advantage, bonus, good, boon, benefit, promotion, prosperity, profit.
gain (noun)
earn, HIT, bring in, gain ground, clear, derive, realize, benefit, profit, win, arrive at, reach, pull ahead, amplification, advance, get ahead, increase, attain, make headway, make, put on, addition, realise.
improvement (noun)
progression, refinement, Garnishment, enrichment, advancement, renovation, development, correction, enhancement, furtherance, embellishment, improvement, elaboration, betterment.
increase (noun)
elaboration.
profit (noun)
percentage, gross margin, profit margin, operating profit, bottom line, dividend, gross profit.
quantity (noun)
increase, addition.
victory (noun)
win.

v.

acquire, win (verb)
clear, bring in, pick up, achieve, reach, earn, make, secure, land, capture, obtain, improve, attain, build up, get, realize.
approach (verb)
impend, advance, come, loom, converge, near, close, access, approach.
body (verb)
put on.
capture (verb)
achieve, catch, take, abduct, snare, occupy, win, capture, apprehend, arrest, get, obtain, collar, secure, seize.
change (verb)
advance.
possession (verb)
win, derive.

Other synonyms:

jump at, convalesce. recover, deserve, improve, recuperate, perk up, tick away, find, cop, exploit. capitalize, rally, accept. merit. tick, repay. pay, mend. return. cheer
perk up.
come on
make headway.
take
take.
Other relevant words:
come by, arrive, HIT, accretion, make headway, earn, increase, return, get ahead, attain, make, gain ground, amplification, arrive at, find, reach.

Usage examples for gain

  1. You have everything to gain and nothing to lose. – A Practical Guide to Self-Hypnosis by Melvin Powers
  2. I consider what they gain if we do not. – The Complete Project Gutenberg Works of George Meredith by George Meredith
  3. It's on the gain – Marjorie Dean, College Sophomore by Pauline Lester