Answer: tessellate

AnswerCrossword Clue
TESSELLATEForm into a mosaic pattern
TESSELLATEMake into mosaic.
TESSELLATEDecorate with mosaic tiles
TESSELLATECreate a mosaic
tessellateCover (a plane surface) by repeated use of a single shape, without gaps or overlapping
tessellateto cover with small tiles also TESSELATE
tessellateDecorate (a floor) with mosaics
tessellateto form or arrange in a checkered or mosaic pattern.