system - noun

instrumentality that combines interrelated interacting artifacts designed to work as a coherent entity

a group of independent but interrelated elements comprising a unified whole

(physical chemistry) a sample of matter in which substances in different phases are in equilibrium

a complex of methods or rules governing behavior

an organized structure for arranging or classifying

a group of physiologically or anatomically related organs or parts

a procedure or process for obtaining an objective

the living body considered as made up of interdependent components forming a unified whole

an ordered manner; orderliness by virtue of being methodical and well organized

system - thesaurus

arrangement   organisation   organization   scheme