exchange

The act of giving something and receiving something else in return, often of a similar kind or value. It can refer to a transaction, a substitution of one item for another, or a reciprocal conversation. It also denotes a place where such transactions regularly occur, like a marketplace or a financial institution.

• They made a fair exchange of goods for services. — They traded items of comparable worth.
• The stock exchange experienced a busy day with many transactions. — The financial market where securities are bought and sold.
• There was a brief exchange of ideas during the brainstorming session. — A short conversation or discussion involving the sharing of thoughts.
• Please keep your receipt in case you need an exchange for a different size. — The act of returning an item and receiving a different one.

To give something to someone and receive something else from them in return. This action can involve trading physical items, swapping positions, or engaging in a mutual sharing of information or communication. It also means to replace one thing with another, such as returning an item to a store for a different one.

• They decided to exchange pleasantries before getting down to business. — They said polite greetings to each other.
• Can I exchange this book for another one? — Can I return this book and get a different one instead?
• The two companies will exchange personnel for a training program. — The two companies will temporarily swap staff members.
• He wanted to exchange his old car for a newer model. — He wanted to trade his existing car for a more recent one.