Buy (verb)

1. To acquire in exchange for money or its equivalent; purchase.
2. To acquire by any means; get hold of.
3. To bribe or corrupt.
4. To accept or believe something as true or valid.

Origin:

From old english bycgan, of germanic origin; related to dutch kopen and german kaufen.

Examples:

1. I'm going to buy a new car.
2. She bought a dress at the store.
3. He bought the company's silence with a payoff.
4. I'm not buying that excuse.
5. They bought the story hook, line, and sinker.