What is the french word for new beginnings?

There isn't a single perfect French word for "new beginnings." However, here are a few options with slightly different nuances:

Formal:

* Nouvelle ère (New era)

* Nouveau départ (New departure)

* Commencement nouveau (New start)

Informal:

* Nouvelle page (New page)

* Un nouveau chapitre (A new chapter)

* Nouvelle vie (New life)

The best choice depends on the context and the specific meaning you want to convey.