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Déjà vu (pronounced /ˈdeɪʒɑː ˈvuː/ ); French /deʒa vy/ (help·info) "already seen"; also called paramnesia, from Greek παρα "para," "near" + μνήμη "mnēmē," "memory") or promnesia, is the experience of feeling sure that one has witnessed or experienced a new situation previously (an individual feels as though an event has already happened or has happened in the near past), although the exact circumstances of the previous encounter are uncertain.