(adj): vs. plain) -- (having patterns (especially colorful patterns)
(adj): decorated with small pieces of colored glass or stone fitted together in a mosaic
(adj): vs. unadorned), decorated -- (provided with something intended to increase its beauty or distinction
tessellate
(v): fit together exactly, of identical shapes
(v): be the right size or shape; fit correctly or as desired
(v): tile with tesserae
(v): cover with tiles