veneer

viilu, vaneriviilu

viiluttaa

päällystys A thin decorative covering of fine material (usually wood) applied to coarser wood or other material.
(quote-book)
An attractive appearance that covers or disguises true nature or feelings.
2014 December 5, "http://www.nytimes.com/interactive/2014/12/07/magazine/100000003269167.mobile.html?_r=1 Joy From the World," The New York Times Magazine (retrieved 6 December 2014):

“Yalda,” Dabashi says, “has managed to survive the centuries because it has been gently recodified with a Muslim veneer.”

to veneer a piece of furniture with mahogany

As a rogue in grain / Veneered with sanctimonious theory.