guarantees, ensures
Faire des études supérieures ne garantit pas un bon emploi.
Pursuing higher education does not guarantee a good job.
On garantit de l'huile fraîche.
We guarantee fresh oil.
— God of Cookery (1996)
Il le garantit.
He guarantees it.
Il garantit comment ?
How does he guarantee that?
— Un prophète (2009)
Le service garantit la citoyenneté.
The service guarantees citizenship.
— Starship Troopers (1997)
"La Bank of England garantit l'authenticité de ces billets."
The Bank of England guarantees the authenticity of these banknotes.
— Les Faussaires (2007)