Apparition

[Sarah]

The first appearance of a star or other luminary after havingbeen invisible or obscured; -- opposed to occultation. Circle ofperpetual apparition. See under Circle.

[Sarah]

A type of ghost. This ghost is usually confused with mirages and hallucinations. This ghost is one you can only see. Comes in ball, shadow or full detail form.

[Cami]

the spirit of a dead person appearing in a form that can be seen

[Michiko]

A ghost or ghostlike image of a person.