French phrase
Le sujet ~ est-il acceptable ?
Meaning
Is the ___ topic acceptable?
When to use it
A polite way to ask if a proposed topic is acceptable. It is used formally, such as in an application or with an academic advisor, and gently seeks approval.
Example dialogue
Le sujet de mémoire est-il acceptable ?
Is the thesis topic acceptable?
Oui, il me semble tout à fait acceptable.
Yes, it seems perfectly acceptable to me.