to act according to what you have been asked or ordered to do by someone in authority, or to behave according to a rule, law, or instruction
The soldiers refused to obey (orders).
It is crucial to obey traffic laws for the safety of all road users.
The soldiers were trained to obey orders without hesitation.
Children are taught to obey their parents and follow household rules.
Citizens are expected to obey the laws established by the government.