Possible Definitions:
1. Scheme (n.) A combination of things connected and adjusted by design; a system.
2. Scheme (n.) A plan or theory something to be done; a design; a project; as, to form a scheme.
3. Scheme (n.) Any lineal or mathematical diagram; an outline.
4. Scheme (n.) A representation of the aspects of the celestial bodies for any moment or at a given event.
5. Scheme (v. t.) To make a scheme of; to plan; to design; to project; to plot.
6. Scheme (v. i.) To form a scheme or schemes.