inaugurate

To induct (someone) into a dignity or office with a formal ceremony.

To dedicate (a building, monument, etc.) for public use by a formal ceremony.

To initiate or usher in (something, as a (significant) course of action, development, organization, or period of time) with a formal ceremony or in a ceremonious manner; also (loosely), to begin or commence (something); to start.

(no longer used, rare) To cause (something) to be auspicious or good-omened; also, to declare or make (something) holy; to consecrate, to sanctify.

(no longer used) Inducted into a dignity or office with a formal ceremony or in a ceremonious manner; inaugurated.