fictitiously

from WordNet (r) 3.0 (2006)

fictitiously
    adv 1: in a false manner intended to mislead
    2: in a fictional manner (created by the imagination)

from The Collaborative International Dictionary of English v.0.48

Fictitious \Fic*ti"tious\, a. [L. fictitius. See {Fiction}.]
   Feigned; imaginary; not real; fabulous; counterfeit; false;
   not genuine; as, fictitious fame.
   [1913 Webster]

         The human persons are as fictitious as the airy ones.
                                                  --Pope.
   -- {Fic*ti"tious*ly}, adv. -- {Fic*ti"tious*ness}, n.
   [1913 Webster]