The crossword solution for the term 'Sits Shiva' is 'MOURNS', which is a 6 letter word. MOURNS is an action that is done in response to a death or tragedy, and is often done in the form of a period of silence or prayer. In the Jewish faith, sitting Shiva is a mourning ritual that is observed after the death of a close family member. During this time, the family members sit on low stools or benches and mourn the loss of their loved one.