the satisfactory state that someone or something should be in, that involves such things as being happy, healthy, and safe, and having enough moneyLaughter is taken as a sign of well-being.
economic/physical/emotional/social well-being
well-being of: The company has taken care of the well-being of its employees and conformed to health and safety legislation.
a sense of well-being: I felt a growing sense of peace and well-being.