dutiful
Concise Oxford English Dictionary © 2008 Oxford University Press:
dutiful/ˈdjuːtɪfl/
▶adjective conscientiously or obediently fulfilling one's duty.
■ motivated by duty rather than enthusiasm: dutiful applause.
– derivatives
dutifully adverb,
dutifulness noun.
dutifully adverb,
dutifulness noun.
'dutiful' also found in these Oxford entries:

