Apparition(noun)
A remarkable or unexpected appearance of someone or something.
Hindi meaning:परछाईं/उपस्थिति
Synonyms: Appearance, Manifestation, appearing, Display
Antonyms: Established, Instituted, Propounded
Example: Casper the Friendly Ghost is a cartoon apparition that even little kids can be comfortable with.
Trick to remember: Operation theatre me Apparition hai. 
