Leadership/ˈliːdərʃɪp/ Definition 1 of 3Pro Tip 1/3Group Action Refers to actions taken by someone to lead others towards a common goal. Her leadership unified the team for the charity event. Pro Tip 2/3Responsibility Implies taking charge and being accountable for the group's outcomes. His leadership was questioned after the project's failure. Pro Tip 3/3Positive Influence Effective leadership is often shown by inspiring and motivating the group. Thanks to her leadership, morale soared and results improved.