LIGHTSOME, adjective li'tesome. 1. Luminous; not dark; not obscure. White walls make rooms more lightsome than black. [Little used.] The lightsome realms of love. [In the latter passage, the word is elegant.] 2. Gay; airy; cheering; exhilarating. That lightsome affection of joy.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI