praestigium

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

praestigĭum, ii, n.,

a delusion , illusion , trick : Γοητεία, praestigium, Gloss. ad Prud. Onom. Vet.: praestigiis absolvi, Amm. 14, 11, 23.