Source : Webster's Revised Unabridged Dictionary (1913)

Pretender \Pre*tend"er\, n.
   1. One who lays claim, or asserts a title (to something); a
      claimant. Specifically, The pretender (Eng. Hist.), the
      son or the grandson of James II., the heir of the royal
      family of Stuart, who laid claim to the throne of Great
      Britain, from which the house was excluded by law.

            It is the shallow, unimproved intellects that are
            the confident pretenders to certainty. --Glanvill.

   2. One who pretends, simulates, or feigns.

Source : WordNet®

Pretender
     n 1: a claimant to the throne or to the office of ruler (usually
          without just title)
     2: a person who makes deceitful pretenses [syn: {imposter}, {impostor},
         {fake}, {faker}, {fraud}, {sham}, {shammer}, {pseudo}, {pseud},
         {role player}]
     3: a person who professes beliefs and opinions that he does not
        hold [syn: {hypocrite}, {dissembler}, {phony}, {phoney}]