based

US / -beɪst/
UK / -beɪst/
"based" picture
1.

having a particular place as the main place of work or activity

:
The company is based in London.
He is based at the main office.
2.

using something as the foundation or starting point for something else

:
The movie is based on a true story.
Her argument was based on solid evidence.
1.

to use something as the foundation for something else

:
The architect will base his design on the client's preferences.
We need to base our decisions on accurate data.