Synonyms for Matte (same or very similar meaning)
WordNet sense 1 (the property of having little or no contrast; lacking highlights or gloss):
flatness, mat, matt, lusterlessness, lustrelessnessWordNet sense 2 (change texture so as to become matted and felt-like):
felt, matt-up, felt up, matte up, mat upWordNet sense 3 (not reflecting light; not glossy):
flat, mattedFrom the ODE community, based on WordNetadd/edit