Cases of word usage

1) the act, condition, of being extravagant; something that is extremely expensive (extravagance)

2) not expensive (inexpensive)

3) a large expensive car, especially with the front seats separated from the back seats by a glass window (limousine)

4) smart, expensive (plush)

5) the act of buying; something bought (especially something large and expensive such as a house or car) (purchase)

6) having a lot of money or property; (of clothes, jewels, furniture etc) well designed and expensive (rich)

7) looking expensive (sumptuous)