The Collaborative International Dictionary of English v.0.48:
Elusion \E*lu"sion\, n. [LL. elusio, fr. L. eludere, elusum. See Elude.] Act of eluding; adroit escape, as by artifice; a mockery; a cheat; trickery. [1913 Webster]WordNet (r) 3.0 (2006):
elusion n 1: the act of avoiding capture (especially by cunning) [syn: slip, elusion, eluding]