Decorating

To furnish with decorations.

"We decorated the Christmas tree with tinsel and baubles."

To improve the appearance of an interior of, as a house, room, or office.

"There's some paint left over from when we decorated the guest bedroom."

To decorate an interior space, as a house, room, or office.

"People tend to decorate for the holidays or special events."

To honor by providing a medal, ribbon, or other adornment.

"He was a decorated soldier who served in three wars."

Decoration