gain in WordNet English dictionary

1. win something through one's efforts
   "I acquired a passing knowledge of Chinese"; "Gain an understanding of international finance"
   acquire  win  gain 
   
2. rise in rate or price
   "The stock market gained 24 points today"
   advance  gain 
   
3. obtain advantages, such as points, etc.
   "The home team was gaining ground"; "After defeating the Knicks, the Blazers pulled ahead of the Lakers in the battle for the number-one playoff berth in the Western Conference"
   gain  advance  win  pull ahead  make headway  get ahead  gain ground 
   
4. reach a destination, either real or abstract
   "We hit Detroit by noon"; "The water reached the doorstep"; "We barely made it to the finish line"; "I have to hit the MAC machine before the weekend starts"
   reach  make  attain  hit  arrive at  gain 
   
5. derive a benefit from
   "She profited from his vast experience"
   profit  gain  benefit 
   
6. earn on some commercial or business transaction; earn as salary or wages
   "How much do you make a month in your new job?"; "She earns a lot in her new job"; "this merger brought in lots of money"; "He clears $5,000 each month"
   gain  take in  clear  make  earn  realize  realise  pull in  bring in 
   
7. obtain
   "derive pleasure from one's garden"
   derive  gain 
   
8. increase (one's body weight)
   "She gained 20 pounds when she stopped exercising"
   gain  put on 
   
9. increase or develop
   "the peace movement gained momentum"; "the car gathers speed"
   gain  gather 
   

1. a quantity that is added
   "there was an addition to property taxes this year"; "they recorded the cattle's gain in weight over a period of weeks"
   addition  increase  gain 
   
2. the amount of increase in signal power or voltage or current expressed as the ratio of output to input
   amplification  gain 
   
3. the advantageous quality of being beneficial
   profit  gain 
   
4. the amount by which the revenue of a business exceeds its cost of operating
   gain