The term SETS ON can be broken down into four crossword solutions: SICS (4 letters), ASSAILS (7 letters), ATTACKS (7 letters), and HASAT (5 letters). SICS is an acronym for the System of International Classification of Diseases, which is a medical coding system used to classify diseases and other health problems. ASSAILS and ATTACKS both refer to aggressive or hostile actions taken against someone or something. HASAT is an acronym for the Health and Social Care Act, which is a UK law that sets out the framework for the regulation of health and social care services in England.