Beneficial Definition

bĕnə-fĭshəl

beneficial

adjective

Producing or promoting a favorable result; advantageous.

A trade agreement beneficial to all countries.

American Heritage

Producing benefits; advantageous; favorable.

Webster's New World

Involving the receipt of funds, property, or other benefits, as from an insurance policy or trust.

American Heritage

Receiving benefit.

Webster's New World

For one's own benefit.

Beneficial interest.

Webster's New World

Synonyms:

Antonyms:

noun

Organisms that are beneficial to a human endeavor, especially insects that are predators of pests.

American Heritage

A right or interest that derives from something other than legal title. See estate, interest, owner, use, and equitable.

Webster's New World Law

Synonyms:

Origin of Beneficial

Middle English from Old French beneficial from Late Latin beneficiālis from Latin beneficium benefit benefice

From American Heritage Dictionary of the English Language, 5th Edition
From Late Latin beneficiālis (“beneficial”), from Latin beneficium (“benefit, favor, kindness”).

From Wiktionary