obedient
adj.willing to do what you are told and follow the rules. People use this to describe children or pets who listen well to their parents or owners.
adj.complying with or willing to submit to orders or requests; submissive to another's authority. Often used to describe children, animals, or subordinates in a hierarchical structure.
“The obedient dog sat down as soon as its owner spoke.”
“The students remained quiet and obedient throughout the principal's long speech about school safety.”
“While some praised the soldiers for being perfectly obedient to their commanders, others questioned whether they should have challenged the unethical orders.”
Often used predicatively after linking verbs like 'remain' or 'stay', or attributively before a noun.
From Middle English obedient, from Old French obedient, from Latin oboediēns, present active participle of oboediō (“obey”).
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.