The term 'END A SHUTDOWN' refers to the process of reopening a business or organization that has been closed due to a variety of reasons, such as a pandemic, natural disaster, or economic downturn. The crossword solution for this term is REOPEN, which is a 6-letter word. Reopening a business or organization involves assessing the safety of the environment, ensuring that all necessary protocols are in place, and preparing the staff and customers for the transition.