The Collaborative International Dictionary of English v.0.48:

Evoke \E*voke"\, v. t. [imp. & p. p. Evoked; p. pr. & vb. n.
   Evoking.] [L. evocare; e out + vocare to call, fr. vox,
   vocis, voice: cf. F ['e]voquer. See Voice, and cf.
   Evocate.]
   1. To call out; to summon forth.
      [1913 Webster]

            To evoke the queen of the fairies.    --T. Warton.
      [1913 Webster]

            A regulating discipline of exercise, that whilst
            evoking the human energies, will not suffer them to
            be wasted.                            --De Quincey.
      [1913 Webster]

   2. To call away; to remove from one tribunal to another. [R.]
      "The cause was evoked to Rome." --Hume. Evolatic

WordNet (r) 3.0 (2006):

evoked
    adj 1: called forth from a latent or potential state by
           stimulation; "evoked potentials"; "an elicited response"
           [syn: elicited, evoked]