supposedly
US /səˈpoʊ.zɪd.li/
UK /səˈpoʊ.zɪd.li/

1.
soi-disant, prétendument, supposément
according to what is generally thought or believed but not known for certain
:
•
The new restaurant is supposedly very good.
Le nouveau restaurant est soi-disant très bon.
•
He supposedly quit his job last week.
Il a soi-disant quitté son emploi la semaine dernière.