We have put together a list of words that are similar to LUMINOSITY.

6 Alternative Words Similar to luminosity

1 Brightness Noun      Synonym Words Like Brightness
2 Luminance Noun      Synonym Words Like Luminance
3 Luminousness Noun      Synonym Words Like Luminousness
4 Light Noun      Synonym Words Like Light
5 Glow Noun      Hyponym Words Like Glow
6 Illumination Noun      Hyponym Words Like Illumination

10 definitions of luminosity

1 The quality or state of being luminous; luminousness.
2 the quality of being luminous; emitting or reflecting light
3 The condition or quality of being luminous.
4 Something luminous.
5 The ratio of luminous flux at a specific wavelength to the radiant flux at the same wavelength. Also called luminosity factor.
6 The quality of being luminous or bright; luminousness; the radiation or reflection of light.
7 Specifically, the intensity of light in a color, measured photometrically.
8 In botany, phosphorescence.
9 the state of being luminous, or a luminous object; brilliance or radiance
10 the ratio of luminous flux to radiant flux at the same wavelength; the luminosity factor
We get our data from many different dictionaries across the web:
Wordnik, Wiktionary, Century, American Heritage, Gcide