BENEFI'CIAL, adjective Advantageous; conferring benefits; useful; profitable; helpful; contributing to a valuable end; followed by to; as, industry is beneficial to the body, as well as to the property. 1. Receiving or entitled to have or receive advantage, use or benefit; as the beneficial owner of an estate.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI