Beneficial

Part of speech: adjective (a.)

1. Conferring benefits; useful; profito. The war which would have been most beneficial to us. Swift.

2. Receiving, or entitled to have or receive, advantage, use, or benefit; as, the beneficial owner of an estate. Kent.

3. King. [Obs.] "A beneficial foe." B. Jonson.

Synonyms: See Advantage.