Noun inauguration has 2 senses
  1. inauguration, startup - the act of starting a new operation or practice; "he opposed the inauguration of fluoridation"; "the startup of the new factory was delayed by strikes"
    --1 is a kind of beginning, start, commencement
    Derived forms: verb inaugurate2, verb inaugurate1
  2. inauguration, inaugural - the ceremonial induction into a position; "the new president obviously enjoyed his inauguration"
    --2 is a kind of initiation, induction, installation
    --2 has parts: inaugural address, inaugural
    Derived form: verb inaugurate1