Well-appointed is an adjective used to describe something that is luxurious and of high quality. It is often used to describe a room or home that is decorated with expensive and tasteful furnishings. The term can also be used to describe someone who is dressed in a fashionable and expensive manner. In this case, the crossword solution for well-appointed is 'LAVISH', which means to be generous and extravagant in spending money, time, or effort.