1. the power to influence or direct people's behavior or the course of events. "the whole operation is under the control of a production manager" synonyms: jurisdiction, sway, power, authority, command, dominance, domination, government, mastery, leadership, rule, reign, sovereignty, supremacy, ascendancy, predominance, hegemony; More
The key elements in human thinking are not numbers but labels of fuzzy sets. -- L. Zadeh