1) To deceive or trick 2) To evade 3) To mock or ridicule 
to trick
• (v. t.) To play upon by artifice; to deceive; to mock; to excite and disappoint the hopes of.
Il·lude' transitive verb [ imperfect & past participle Illuded ; present participle & verbal noun Illuding .] [ Latin illudere , illusum ; prefix il- in + ludere to play: confer Old French illuder ....
illude 1. To trick, impose upon, to deceive with false hopes. 2. To play upon by artifice; to deceive; to mock; to excite and to disappoint the hopes of.
to deceive or trick. · · to mock or ridicule. · to evade.