The term SETS UPON can be broken down into three crossword solutions: ATTACKS (7 letters), ASSAILS (7 letters), and HASAT (5 letters). ATTACKS is an aggressive action taken against someone or something, usually with the intention of causing harm. ASSAILS is a more intense form of attack, often involving physical violence. HASAT is an Arabic word meaning to attack or assault. All three words are related to the idea of attacking or assaulting someone or something.