gain

noun

1
the amount of increase in signal power or voltage or current expressed as the ratio of output to input
2
the advantageous quality of being beneficial
3
the amount by which the revenue of a business exceeds its cost of operating
4
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

1
increase (one's body weight)
She gained 20 pounds when she stopped exercising
2
increase or develop
the peace movement gained momentum
the car gathers speed
3
rise in rate or price
The stock market gained 24 points today
4
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
5
reach a destination, either real or abstract
We hit Detroit by noon
The water reached the doorstep
6
win something through one's efforts
I acquired a passing knowledge of Chinese
Gain an understanding of international finance
7
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
8
derive a benefit from
She profited from his vast experience

Also useful for “gain”:Unscrambler— Turn loose letters into real words