base on
US /beɪs ɑːn/
UK /beɪs ɑːn/

1.
baser sur, fonder sur
to use as the foundation or starting point for something; to develop something from something else
:
•
The movie is based on a true story.
Le film est basé sur une histoire vraie.
•
Their decision was based on careful analysis.
Leur décision était basée sur une analyse minutieuse.