A more thorough explanation:

Definition: Establishment refers to the act of creating or setting up something, or the state of being created or set up. It can also refer to an institution or place of business, or a group of people who are in power or have a lot of influence over something.

• The establishment of a new company requires a lot of planning and hard work.
• The establishment of a new law can take years of debate and discussion.
• The local coffee shop is a popular establishment for students to study and socialize.
• The political establishment in the country has been in power for decades.

The first two examples illustrate the act of establishing something, whether it's a new company or a new law. The third example shows how establishment can refer to a physical place of business, in this case a coffee shop. The fourth example demonstrates how establishment can refer to a group of people who hold power or influence, in this case the political establishment.