launch

To throw or propel with force; hurl.

To set or thrust (a self-propelled craft or projectile) in motion.

To put (a boat) into the water in readiness for use.

To set going; initiate: synonym: begin.

To introduce to the public or to a market.

To give (someone) a start, as in a career or vocation.

To begin a new venture or phase; embark.

To enter enthusiastically into something; plunge.

The act of launching.