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--noun (singular: benefit; plural: benefits)

1. financial assistance in time of need.
2. welfare: something that aids or promotes well-being.
  • "For the benefit of all."
3. a performance to raise money for a charitable cause.

--verb (verb: benefit; 3rd person present: benefits; past tense: benefited; past participle: benefited; gerund or present participle: benefiting)

4. to derive a benefit from.
5. to be beneficial for.
1377, "good or noble deed," from Anglo French benfet "well-done," from Latin benefactum "good deed" (see benefactor.) Meaning "advantage, profit" first attested 1393. Meaning "performance or entertainment to raise money for some charitable cause" is from 1687. The verb is attested from 1549. Benefice "ecclesiastical living" is from 1340.
How to use ""?
The returns or receipts include all that is received from an outlay or investment; the profit is the excess (if any) of the receipts over the outlay; hence, in government, morals, etc., the profit is what is really good, helpful, useful, valuable.

Utility is chiefly used in the sense of some immediate or personal and generally some material good.

Advantage is that which gives one a vantage-ground, either for coping with competitors or with difficulties, needs, or demands; as to have the advantage of a good education; it is frequently used of what one has beyond another or secures at the expense of another; as, to have the advantage of another in an argument, or to take advantage of another in a bargain.

Gain is what one secures beyond what he previously possessed.

Benefit is anything that does one good.

Emolument is profit, return, or value accruing through official position.

Expediency has respect to profit or advantage, real or supposed, considered apart from or perhaps in opposition to right, in actions having a moral character. Compare UTILITY.