Dū'ti-ful, a.
Sense 1. Performing the duties or obligations required by law, justice, or propriety; submissive to natural or legal superiors; obedient; respectful; as, a dutiful son or daughter; a dutiful ward or servant; a dutiful subject.
Sense 2. Controlled by a sense of duty; proceeding from a sense of duty; respectful; deferential; as, dutiful affection.
Synonyms—Duteous; obedient; reverent; reverential; submissive; respectful.