Clairvoyance (from 17th century French Clair meaning "clear" and voyant meaning "seeing") is a supposed form of extra-sensory perception, claiming the transference of information about an object, location or physical event through means other than the known human senses. A person said to have the ability of clairvoyance is referred to as a clairvoyant.
Clairvoyant is a type of endowment. It gives the person the ability to sense things that are about to happen as well as simply "know" certain facts about different things, and in some cases the endowed can see thoughts though only at the height of their power. It is assumed that clairvoyance came from Amoret, the youngest child of the Red King , because some of her desendents have that power. However, it could possibly be from Guanhamara as she was a white witch. There are no known people with clairvoyance that have gone to Bloor's Academy apart from Eustacia Yewbeam.