inaugurate, verb, /ɪˌnɔːɡjə'reɪʃn/
1
to hold an official ceremony when someone starts doing an important job in government.
to introduce (someone, such as a newly elected official) into a job or position with a formal ceremony.
On 8 January 1959 de Gaulle was inaugurated as first president of the Fifth Republic.
He was inaugurated (as President) on the 20th of January.
2
to open a building or start an organization, event etc for the first time.
to celebrate the fact that something (such as a new hospital or school) is officially ready to be used.
The Turner Prize was inaugurated in 1984.
They inaugurated the new headquarters with a brief ceremony.
3
if an event inaugurates an important change or period of time, it comes at the beginning of it.
to be the beginning of (something, such as a period of time). to begin to use or have (something) for the first time.
The International Trade Agreement inaugurated a period of high economic growth.
This event inaugurated [=introduced] a new era in our history.
The airline will inaugurate [=introduce] five new routes this summer.
inauguration, noun, /ɪˌnɔːɡjə'reɪʃn/
President Hoover’s inauguration.
presidential inaugurations.
We attended the inauguration of the new museum. [=the event celebrating the fact that the new museum is officially ready to be used]
a discovery that led to (the) inauguration of a new era in our history.