The Collaborative International Dictionary of English v.0.48:

Archaize \Ar"cha*ize\, v. t. [imp. & p. p. Archaized; p. pr. &
   vb. n. Archaizing.] [Gr. 'archai:`zein.]
   To make appear archaic or antique. --Mahaffy.
   [1913 Webster]