French
Lucidité
/loo-see-dee-tay/
Clarity of thought, the ability to think clearly and rationally, especially in difficult or confusing circumstances. It implies a sharp, unimpaired mental state where one can perceive things as they truly are.
Lit. lucidity
Used to describe someone's mental state, particularly when they are able to maintain composure and rational thought despite stress, illness, or confusion. It can also refer to the clarity of an explanation or a piece of writing.