Synonyms of duly

2 Syllables
piously, justly, fitly
3 Syllables
righteously, virtuously, correctly, benignly, duteously, lawfully, fittingly, decently, uprightly, punctually, suitably, rightfully
4 Syllables
equitably, respectably, impartially, charitably, dutifully, tolerantly, judiciously, accordingly, resultantly, straightforwardly, deservedly, befittingly, decorously
5 Syllables
beneficently, benevolently, evenhandedly, temperately, appropriately
6 Syllables
legitimately