Apparition(n.) The act of becoming visible; appearance; visibility.
Apparition(n.) The thing appearing; a visible object; a form.
Apparition(n.) An unexpected, wonderful, or preternatural appearance; a ghost; a specter; a phantom.
Apparition(n.) The first appearance of a star or other luminary after having been invisible or obscured; -- opposed to occultation.
Apparitional(a.) Pertaining to an apparition or to apparitions; spectral.
Words within apparitional