lucidity Definition

lucid
adj

1a. Said of a speech, piece of writing, argument, etc: clearly presented and easily understood;

Thesaurus: clear, comprehensible, understandable, accessible, plain, intelligible, distinct, clear-cut, transparent, manifest.
1b. Said of a speech, piece of writing, argument, etc: perceptive.
2. Said of someone's mind or their ability to reason: not confused, especially in contrast to bouts of insanity or delirium.

Thesaurus: sane, clearheaded, rational.
3. Bright; shining.

Thesaurus: bright, shining, brilliant, radiant, resplendent.

Derivative: lucidity
noun

Derivative: lucidly
adverb

Derivative: lucidness
noun

Etymology: 16c: from Latin lucidus full of light.