Design extends beyond artifacts to outcomes. We develop “Design for X” across business (value capture and models), entrepreneurship (venture as designed system), public policy (legitimacy, equity, implementation), and sustainability (United Nations SDGs - Sustainable Development Goalscircularity, life-cycle thinking). Methods include outcome-level requirements, market and policy experiments, and systems metrics (e.g., carbon, inclusion). The chapter turns “for X” into a method: creativity expansive, consequences legible, and adjustable.