Definitions of devise:

• noun:   (law) a gift of real property by will
• noun:   a will disposing of real property
• verb:   give by will, especially real property
• verb:   come up with (an idea, plan, explanation, theory, or priciple) after a mental effort
• verb:   arrange by systematic planning and united effort

  Example: "Devise a plan to take over the director's office"