From WordNet (r) 3.0 (2006) :
pseudo
adj 1: (often used in combination) not genuine but having the
appearance of; "a pseudo esthete"; "pseudoclassic"
n 1: a person who makes deceitful pretenses [syn: imposter,
impostor, pretender, fake, faker, fraud, sham,
shammer, pseudo, pseud, role player]