/ ɪˈnɔːgjərəl; NAmE / adjective
[ only before noun ] ( of an official speech, meeting, etc. ) first, and marking the beginning of sth important, for example the time when a new leader or parliament starts work, when a new organization is formed or when sth is used for the first time :
the President's inaugural address
the inaugural meeting of the geographical society
the inaugural flight of the space shuttle
► in·aug·ural noun [ C , usually sing. ] ( especially NAmE ):
the presidential inaugural in January
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WORD ORIGIN
late 17th cent.: from French (from inaugurer inaugurate, from Latin inaugurare ) + -al .