A matching set of furniture is a collection of pieces that are designed to coordinate with each other. The crossword solutions for this term are 'SUITE' (5 letters), 'suites' (6 letters), 'his' (3 letters), 'hers' (4 letters), and 'TWIN' (4 letters). SUITE typically refers to a living room set, while suites can refer to bedroom sets. His and hers usually refer to bedroom sets, and TWIN typically refers to two beds that are the same size.