reflectiveness Definition

reflective
adj

1. Said of a person: thoughtful; meditative.

Thesaurus: absorbed, meditative, ruminative, thoughtful, pensive, pondering, introverted, introspective, deliberative, nostalgic.
2. Said of a surface: able to reflect images, light, sound, etc.
3. Reflected; resulting from reflection.

Example: reflective glare of the sun on the water

Derivative: reflectively
adverb

Derivative: reflectiveness
noun

Derivative: reflectivity

Ability to reflect rays.

Reflectance.