The term 'Leading Action' can be defined as having the INITIATIVE to take action and lead others. This term is often used in the context of leadership, where a leader is expected to take the INITIATIVE and lead their team or organization. The crossword solution for this term is 'INITIATIVE', which means taking the first step or being the first to act. INITIATIVE is an important quality for any leader, as it allows them to take charge and guide their team in the right direction.