inaugural
US /ɪˈnɑː.ɡjə.rəl/
UK /ɪˈnɑː.ɡjə.rəl/
1.
marking the beginning of an institution, activity, or period of office
:
•
The president delivered his inaugural address.
•
The inaugural flight of the new airline was a success.
marking the beginning of an institution, activity, or period of office