dutifully
adverb C1- With a regard to duty; in a dutiful manner.
From the library
He tried to back out, but dropped his reins and swore dutifully.
A promise of secrecy was of course very dutifully given, but it could not be kept without difficulty; for the curiosity excited by his long absence burst forth in such very direct questions on his return, as required some ingenuity to evade, and he was at the same time exercising great self-denial, for he was longing to publish his prosperous love.
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