Dignified means calm and serious in a way that earns respect. Composed, when composure is hard.
The word almost always appears where somebody could reasonably have lost their temper and did not, which is why a dignified silence and a dignified response are such common phrases. It suits funerals, defeats and public criticism. The noun is dignity, and the verb dignify means to give something more standing than it deserves. Undignified is the opposite and describes a scramble, a squabble or an exit made badly.
1adjectivedignifiedCalm and serious in a way that commands respect.
“She made a dignified reply and left.”