"Rolls out" is a common phrase used to convey the idea of a new product launch, the beginning of a new project, or the implementation of a plan. Some possible synonyms for "rolls out" include "launches," "introduces," "implements," "unveils," "initiates," "starts," "commences," "debuts," "establishes," "sets up," "inaugurates," "unfolds," "reveals," and "puts into action." Each of these words can be used to indicate an action of bringing something new into the world, and can add variety to your writing or speech. Depending on the context of your message, one synonym may be a more appropriate choice than another.