apparition

nouns

a ghostly appearing figure
"we were unprepared for the apparition that confronted us"
the appearance of a ghostlike figure
"I was recalled to the present by the apparition of a frightening specter"
is a type of (narrower)
the event of coming into sight
something existing in perception only
"a ghostly apparition at midnight"
an act of appearing or becoming visible unexpectedly
"natives were amazed at the apparition of this white stranger"
is derived from
is derived from
is a type of (narrower)
the act of appearing in public view
"the rookie made a brief appearance in the first period"; "it was Bernhardt's last appearance in America"