The term 'Go All In' is a phrase used to describe a situation in which someone commits all of their resources to a particular endeavor. The crossword solution for this term is 'COMMIT', which is a 6-letter word meaning to pledge or dedicate oneself to a cause or activity. This phrase is often used in the context of gambling, where a person puts all of their chips into the pot in order to increase their chances of winning. It can also be used in other contexts, such as when someone decides to invest all of their time and energy into a project or goal.