The Collaborative International Dictionary of English v.0.48:

Illude \Il*lude"\, v. t. [imp. & p. p. Illuded; p. pr. & vb.
   n. Illuding.] [L. illudere, illusum; pref. il- in + ludere
   to play: cf. OF. illuder. See Ludicrous.]
   To play upon by artifice; to deceive; to mock; to excite and
   disappoint the hopes of.
   [1913 Webster]