gain

the amount of increase in signal power or voltage or current expressed as the ratio of output to input

increase (one's body weight)

“She gained 20 pounds when she stopped exercising”

obtain advantages, such as points, etc.

“The home team was gaining ground”

rise in rate or price

“The stock market gained 24 points today”

the amount by which the revenue of a business exceeds its cost of operating

earn on some commercial or business transaction; earn as salary or wages

increase or develop

“the peace movement gained momentum”

a quantity that is added

“they recorded the cattle's gain in weight over a period of weeks”

win something through one's efforts

obtain

derive a benefit from

the advantageous quality of being beneficial