Decor (noun)

1. The furnishing and decoration of a room or building.
2. The style in which a room or building is decorated.

Origin:

Shortening of decoration.

Examples:

1. The decor of the room was simple but elegant.
2. The decor of the building was modern and sleek.
3. The decor was influenced by French style.
4. The decor included a chandelier and tapestries.
5. The decor was changed to match the season.