"duly" in the adverb sense
1. appropriately, suitably, fittingly, befittingly, fitly, properly, duly
in accordance with what is appropriate or suitable for the circumstances
"he was appropriately dressed"
"If you don't behave properly, you'll have to leave!"
"I met the junior senator from Illinois and I was duly impressed"
Source: WordNet® (An amazing lexical database of English)
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