The opposite of mischief making is good behavior or well-behaved. It refers to the person who follows the rules, norms, and values that are accepted in society. Good behavior suggests a sense of responsibility, self-discipline, and respect for others' rights and feelings. It is the quality admired in people, and it brings positive results in their lives. The opposite of mischief making can also be interpreted as decency, virtue, morality, and uprightness. These are the qualities that make a person admirable and trustworthy. In contrast to mischief making, good behavior leads to a comfortable and peaceful environment for everyone.