1.an elaborate and systematic plan of action
2.a statement that evades the question by cleverness or trickery
3.a group of independent but interrelated elements comprising a unified whole;
a vast system of production and distribution and consumption keep the country going
4.an internal representation of the world; an organization of concepts and actions that can be revised by new information about the world
5.a schematic or preliminary plan
1.form intrigues (for) in an underhand manner
2.devise a system or form a scheme for