Obey (verb)

1. Comply with (an order, request, or law).
2. Act in accordance with (a rule or procedure).

Origin:

From old french obeir, from latin oboedire "to listen to, hear", from ob- "in the way of" + audire "to hear".

Examples:

1. He obeyed his parents' instructions.
2. She obeyed the traffic laws.
3. The soldier obeyed the orders of his commanding officer.
4. The dog obeyed the commands of its trainer.
5. We must obey the laws of the land.