The Oxford Thesaurus An A-Z Dictionary of Synonyms - camouflagen.

1) disguise, concealment, cover-up, cover, guise, cloak, mask, screen, blind, (false) front, show, fa‡ade, pretence, trickery, deception; protective colouring or coloration, Technical apatetic or aposematic or cryptic colouring or coloration: Camouflage prevented the enemy from seeing our tanks. --v. 2) disguise, cloak, mask, cover (up) , hide, conceal, screen, veil; misrepresent, falsify: We camouflaged our movements by fastening twigs and leaves to our helmets.