French phrase
Partons de l'hypothèse que ~.
Meaning
Let us proceed on the assumption that ___.
When to use it
Establishes a premise for further discussion. Used in analysis and planning, with a fairly formal tone.
Example dialogue
Quelle hypothèse prenons-nous pour le budget ?
Which assumption are we making for the budget?
Partons de l'hypothèse que les coûts resteront stables.
Let us proceed on the assumption that costs will remain stable.