Use 'dutiful' to describe actions that perfectly meet what is expected, especially in traditional roles. She became a dutiful employee, never missing a deadline.
Pro Tip 2/3
Positive Connotation
'Dutiful' often implies positive moral qualities like responsibility and reliability. His dutiful work on the project earned him respect.
Pro Tip 3/3
Not Heroic
Being dutiful suggests normal, expected behavior, not going above and beyond. A dutiful librarian sorts the books but doesn't necessarily innovate.