decorating is a form of:

Decorate



verb
1.
(TRANSITIVE) ~ something (with something) (to make (a thing) look a ornament, paint or wallpaper) តុបតែង, តែងលំអ, បំពាក់គ្រឿងឥស្សរិយយស
Example: We decorated our Christmas tree, The general decorated the hero.