**Hereby** is an adverb that is used to indicate that something is being done by or as a result of a previous action or agreement. Here are some examples of how **hereby** can be used in English:
1. **By signing this contract, you hereby agree to all the terms and conditions outlined in it.**
2. **The company hereby confirms that it will be closing down its branch in London by the end of the year.**
3. **I hereby declare that I am the rightful owner of this property.**
4. **All employees hereby agree to follow the company's new dress code policy.**
5. **By submitting this application, you hereby acknowledge that you have read and understood the terms and conditions of the scholarship.**
6. **The government hereby announces a new policy to reduce pollution in the country.**
7. **By accepting this invitation, you hereby confirm your attendance at the conference.**
8. **The judge hereby sentences the defendant to five years in prison.**
9. **By paying this fee, you hereby register your interest in attending the event.**
10. **The committee hereby recommends that the proposal be approved.**