The term 'smooth and soft' can be described by two crossword solutions: VELVETY (7 letters) and SILKEN (6 letters). VELVETY is a term used to describe something that is smooth and soft, like velvet fabric. SILKEN is also used to describe something that is smooth and soft, like silk fabric. Both terms are often used to describe the texture of fabrics, but can also be used to describe other things with a similar texture.