Decorum involves meeting social expectations for polite behavior in different situations. She showed perfect decorum at the dinner party, impressing the hosts.
Pro Tip 2/3
Emotional Control
Using 'decorum' can imply that a person is keeping their emotions in check. Despite the sad news, he conducted himself with decorum.
Pro Tip 3/3
Public Behavior
Decorum often refers to behavior in public or formal settings rather than private ones. At the award ceremony, all the recipients acted with decorum.