base on
US /beɪs ɑːn/
UK /beɪs ɑːn/

1.
basare su, fondare su
to use as the foundation or starting point for something; to develop something from something else
:
•
The movie is based on a true story.
Il film è basato su una storia vera.
•
Their decision was based on careful analysis.
La loro decisione era basata su un'attenta analisi.