Real Dictionary

benefit
If something is to your benefit or is of benefit to you, it helps you or improves your life.
uncountable noun: If you have the benefit of some information, knowledge, or equipment, you are able to use it so that you can achieve something.
variable noun: The benefit of something is the help that you get from it or the advantage that results from it.
verb: If you benefit from something or if it benefits you, it helps you or improves your life.

benefit in American English
a kindly, charitable act; benefaction
noun: something that is advantageous or good; an advantage

benefit in British English
noun: something that improves or promotes

benefit in Insurance
verb: If you benefit from an insurance policy, then the policy will pay you money if a particular event, such as the death of a relative, occurs.