decorously
adverb
UK/ˈdek.ə.rəs.li/
US/ˈdek.ᵊr.əs.li/
Definitions of decorously adverb
in a manner that is characterized by politeness, control, and social acceptability
She yawned decorously after the long and tedious speech, trying to appear nonchalant.
He accepted the criticism decorously, and expressed his willingness to reconsider.
She attended the symposium, dressed in a decorous suit.