luminous

Definitions:

Emitting light; bright; clear; lucid; perspicuous.
- Nuttall's Standard dictionary of the English language. By Nuttall, P.Austin. Published 1914. (adjective) (adj.) (adjective)
Giving forth or spreading light; as, the stars are luminous bodies; bright; clear; easily understood; very intelligent.
- The Winston Simplified Dictionary. By William Dodge Lewis, Edgar Arthur Singer. Published 1919. (adjective) (adj.) (adjective)
LUMINOUSNESS, LUMINOSITY.
- The american dictionary of the english language. By Daniel Lyons. Published 1899. (noun) (n.) (noun)
Shining; emitting light; clear; lucid.
- Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874. (adjective) (adj.) (adjective)
Giving light: shining: illuminated: clear: lucid.
- The american dictionary of the english language. By Daniel Lyons. Published 1899. (adjective) (adj.) (adjective)
Luminousness.
- The Winston Simplified Dictionary. By William Dodge Lewis, Edgar Arthur Singer. Published 1919. (noun) (n.) (noun)
Luminously.
- The Winston Simplified Dictionary. By William Dodge Lewis, Edgar Arthur Singer. Published 1919. (adverb) (adv.) (adverb)
Giving light; lucid.
- The Clarendon dictionary. By William Hand Browne, Samuel Stehman Haldeman. Published 1894. (adjective) (adj.) (adjective)

Usage examples:

From the shadowed face two large and luminous eyes looked out into mine.
- The Devil Doctor by Sax Rohmer
It was a voice of shrill longing, sounding out of luminous loneliness after the moon began to silver all things.
- Old Plymouth Trails by Winthrop Packard
Schmidt's results as to the continuance of photo- electric activity when bodies in general are dissolved in each other lead us to believe that an actual conservative property of the medium and not an effect of this on the luminous paint is here involved.
- The Birth-Time of the World and Other Scientific Essays by J. (John) Joly