A bright, sparkling light; shininess or brilliance.
A shiny, decorative adornment, sometimes sprinkled on glue to make simple artwork.
Glitz.
To sparkle with light; to shine with a brilliant and broken light or showy luster; to gleam.
To be showy, specious, or striking, and hence attractive.
the state of being luminous, or a luminous object; brilliance or radiance
the rate at which a star radiates energy in all directions
the ratio of luminous flux to radiant flux at the same wavelength; the luminosity factor