verb
inaugurate
ih-NAW-gyuh-rayt/ɪˈnɔːɡjəreɪt/
To formally bring something into operation.
City officials inaugurate the new library with a ribbon-cutting ceremony.

Etymology
Taking omens was part of formally installing someone in ancient Rome. This ceremonial beginning connects the augury root to the modern act of formally introducing or starting something.
In context
what I'd like to inaugurate today is a new way of being an atheist -- if you like, a new version of atheism we could call Atheism 2.0.
More examples
- The university inaugurates its scholarship program at the annual celebration.
- The president is inaugurated in January.
- The treaty inaugurated a new era of cooperation.
Forms
inaugurate · inaugurates · inaugurated · inaugurating
inauguration noun — A ceremony marking an official beginning.
inaugural adjective — Marking the formal beginning of something.