Noah Webster
Dutiful
DUTIFUL, adjective
1. Performing the duties or obligations required by law, justice or propriety; obedient; submissive to natural or legal superiors; respectful; as a dutiful son or daughter; a dutiful ward or servant; a dutiful subject.
2. Expressive of respect or a sense of duty; respectful; reverential; required by duty; as dutiful reverence; dutiful attentions.