attendance | diligent service, dutiful ministration, assiduous attention |
duteous | dutiful, obedient, of allegiance |
obedient | of obedience, dutiful |
obsequious | dutiful [without suggesting servility]; appropriate after a death |
observance | honour, dutiful ceremony, due respect |
pia mater | [Latin] dutiful mother: membrane covering the brain; brain |
pious | religious, holy; or: dutiful, loyal |
towardly | dutiful, helpful, friendly |