(adj): refined or imposing in manner or appearance; befitting a royal court
(adj): used of a person's appearance or behavior; befitting an eminent person
(adj): having or showing self-esteem
(adj): vs. humble) -- (feeling self-respect or pleasure in something by which you measure your self-worth; or being a reason for pride
dignify
(v): confer dignity or honor upon
(v): bestow honor or rewards upon
(v): raise the status of
(v): raise in rank or condition
"Why are you acting so dignified?"