Synonyms for Blanket (same or very similar meaning)
WordNet sense 1 (anything that covers):
mantleWordNet sense 2 (bedding that keeps a person warm in bed):
coverWordNet sense 3 (broad in scope or content):
across-the-board, all-inclusive, broad, extensive, wide, all-embracing, all-encompassing, encompassing, panopticFrom the ODE community, based on WordNetadd/edit