The Collaborative International Dictionary of English v.0.48:

Feign \Feign\, v. t. [imp. & p. p. Feigned; p. pr. & vb. n.
   Feigning.] [OE. feinen, F. feindre (p. pr. feignant), fr.
   L. fingere; akin to L. figura figure,and E. dough. See
   Dough, and cf. Figure, Faint, Effigy, Fiction.]
   1. To give a mental existence to, as to something not real or
      actual; to imagine; to invent; hence, to pretend; to form
      and relate as if true.
      [1913 Webster]

            There are no such things done as thou sayest, but
            thou feignest them out of thine own heart. --Neh.
                                                  vi. 8.
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            The poet
            Did feign that Orpheus drew trees, stones, and
            floods.                               --Shak.
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   2. To represent by a false appearance of; to pretend; to
      counterfeit; as, to feign a sickness. --Shak.
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   3. To dissemble; to conceal. [Obs.] --Spenser.
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The Collaborative International Dictionary of English v.0.48:

Feigning \Feign"ing\, a.
   That feigns; insincere; not genuine; false. --
   Feign"ing*ly, adv.
   [1913 Webster]

WordNet (r) 3.0 (2006):

feigning
    n 1: pretending with intention to deceive [syn: pretense,
         pretence, feigning, dissembling]
    2: the act of giving a false appearance; "his conformity was
       only pretending" [syn: pretense, pretence, pretending,
       simulation, feigning]