Associations to the word «Brightness»
BRIGHTNESS, noun. The quality of being bright.
BRIGHTNESS, noun. The perception elicited by the luminance of an object.
BRIGHTNESS, noun. Intelligence, cleverness.
BRIGHTNESS, noun. The location of a visual perception along a continuum from black to white.
BRIGHTNESS, noun. Intelligence as manifested in being quick and witty.
BRIGHTNESS, noun. The quality of being luminous; emitting or reflecting light; "its luminosity is measured relative to that of our sun".
Words are always getting conventionalized to some secondary meaning. It is one of the works of poetry to take the truants in custody and bring them back to their right senses.