lucidity

/L UW0 S IH1 D IH0 T IY0/
noun
  1. 1

    The property of being lucid, lucidness.

    โ€œThe lucidity of his answers argued against his being insane or confused.โ€

  2. 2

    The state of being aware that one is dreaming, i.e. being in a lucid dream.

Source: https://en.wiktionary.org/wiki/lucidity