1. (noun) intelligence as manifested in being quick and witty

• cleverness
• smartness

2. (noun) the quality of being luminous; emitting or reflecting light

• brightness level
• light
• luminance
• luminosity
• luminousness

1. (noun) the location of a visual perception along a continuum from black to white

• blaze
• brilliance
• glare
• brilliancy
• luster
• lustre
• splendor
• splendour
• dazzle
• effulgence
• radiance
• radiancy
• refulgence
• refulgency
• shine
• flash
• glint
• glisten
• glister
• glitter
• scintillation
• sparkle
• iridescence
• opalescence

2. (noun) the quality of being luminous; emitting or reflecting light

• glow
• luminescence
• illuminance
• illumination
• incandescence

1. (noun) the location of a visual perception along a continuum from black to white

• light
• lightness

2. (noun) intelligence as manifested in being quick and witty

• intelligence

3. (noun) the quality of being luminous; emitting or reflecting light

• physical property

1. (noun) the location of a visual perception along a continuum from black to white

• bright
• bright
• brilliant
• vivid

2. (noun) intelligence as manifested in being quick and witty

• apt
• clever
• bright
• hopeful
• promising
• bright
• bright
• smart
• smart
• smart

3. (noun) the quality of being luminous; emitting or reflecting light

• aglow
• lambent
• lucent
• luminous
• bright
• bright
• undimmed
• bright
• bright
• burnished
• burnished
• lustrous
• lustrous
• shining
• shining
• shiny
• shiny
• illume
• illuminate
• illumine
• light
• light up

1. (noun) the location of a visual perception along a continuum from black to white

• dullness