I'm putting this under magic and psychics cause I would classify as psychic-ness, but Tortall canon speaks of it as a type of magical Gift.

Aly can see immediately whether the person she looked at had magic or godhood (good or evil); whether the person was ill, pregnant, or lying. It also revealed the presence of poison in water or food. Her power makes it possible for her to clearly discern the tiniest of details, things invisible to the normal eye, or to see far into the distance.