Definition of "Increase" :
noun: the act of increasing something
"He gave me an increase in salary."
noun: the amount by which something increases
"They proposed an increase of 15 percent in the fare."
noun: a change resulting in an increase
"The increase is scheduled for next month."
noun: a process of becoming larger or longer or more numerous or more important
"The increase in unemployment."
noun: a quantity that is added
verb: make bigger or more
"The boss finally increased her salary."
verb: become bigger or greater in amount
"The amount of work increased."