The Collaborative International Dictionary of English v.0.48:

Orientalize \O`ri*en"tal*ize\, v. t. [imp. & p. p.
   Orientalized; p. pr. & vb. n. Orientalizing.]
   to render Oriental; to cause to conform to Oriental manners
   or conditions.
   [1913 Webster]

WordNet (r) 3.0 (2006):

orientalize
    v 1: make oriental in character; "orientalize your garden" [syn:
         orientalize, orientalise] [ant: occidentalise,
         occidentalize, westernise, westernize]