There are multiple definitions - click on the translation that matches your context.

(o) sistema

substantivo

full

establishment

noun

Definitions of establishment

a business, institution, shop, hotel, restaurant or organisation etc

Bertram's Hotel is a dignified establishment tucked away in a back street of busy Mayfair.

the act of starting a business, institution, shop, organisation or system

The establishment of democracy in Guatemala goes well beyond the recent elections.

the people in a particular society or profession with the most power and influence, sometimes resistant to change or new ideas

The medical establishment ignored the new research for over five years.