apparition

noun

1. a ghostly appearing figure

   noun.person

   Examples

   We were unprepared for the apparition that confronted us.

   Synonyms fantasm phantasm phantasma phantom specter spectre

   Source: WordNet 3.0

2. the appearance of a ghostlike figure

   noun.event

   Examples

   I was recalled to the present by the apparition of a frightening specter.

   Source: WordNet 3.0

3. something existing in perception only

   noun.cognition

   Examples

   A ghostly apparition at midnight.

   Synonyms fantasm phantasm phantasma phantom shadow

   Source: WordNet 3.0

4. an act of appearing or becoming visible unexpectedly

   noun.act

   Examples

   Natives were amazed at the apparition of this white stranger.

   Source: WordNet 3.0

5. The act of becoming visible; appearance; visibility.

   noun

   Source: webster1913