To decorate is to change the appearance of an object or a place, usually for the purpose of making it look beautiful. This word is often used for rooms, homes, and buildings.
Renee likes to decorate her house for Christmas.
To decorate her living room, Linda bought a lot of antiques.*
Women usually take on the task of decorating their homes, but some men enjoy doing it too. (This sentence uses "decorate" as a gerund.)
Do you like to decorate your home?
They decorated their tree with lights and ornaments.
This tree was decorated with ornaments and lights.
The word "decoration" is a noun:
Please don’t use that. It’s just a decoration.
Jennifer is very good at picking out decorations for her home.
A person who decorates homes and interior spaces for a living is called an interior decorator.
Brian works as an interior decorator.
The interior decorator chose to use gold and green for the conference room.
They hired an interior decorator to help them pick out furniture, curtains, paint, and wall paper for their home.
The word "decorative" is an adjective:
A large, decorative plate of fruit is in the lobby of the hotel.
Decorative lights make the streets of the city look bright.
The shutters on the house don’t open or close. They’re just decorative.
*antique: an old object, usually one that has value.
This tree was decorated with ornaments and lights.