noun

1. 1. a carefully arranged and systematic program of action for attaining some object or end
   2. a secret or underhanded plan; plot
   3. a visionary plan or project
2. an orderly combination of things on a definite plan; system a color scheme
3. an outline or diagram showing different parts or elements of an object or system
4. an analysis or summary in outline or tabular form
5. an astrological diagram

Etymology: L schema < Gr schēma (gen. schēmatos), a form, appearance, plan, akin to schein, echein, to hold, have < IE base *seĝh-, to hold, hold fast, conquer > school, Sans sáhas, power, victory, Goth sigis, Ger sieg, victory

transitive verb schemed, scheming schem′·ing

1. to make a scheme for; plan as a scheme; devise
2. to plan in a deceitful way; plot

intransitive verb

1. to make schemes; form plans
2. to plot; intrigue