duteous (adj.)

• acquiescent
• active
• compliant
• conforming
• conscientious
• constant
• deferential
• devoted
• devout
• dutiful
• ethical
• faithful
• law-abiding
• loyal
• meticulous
• mindful
• moral
• obedient
• observant
• punctilious
• punctual
• regardful
• respectful
• scrupulous
• submissive
• true
• willing