#debut__introduction__first_appearance__firstappearance__launching__unveiling__entry  the act of beginning something new; "they looked forward to the debut of their new product line"
  supertype:  #commencement__beginning__start  the act of starting something; "he was responsible for the beginning of negotiations"
  subtype:  #induction  the act of bringing about something (especially at an early time); "the induction of an anesthetic state"
     subtype:  #induction_of_labor  (obstetrics) inducing the childbirth process artificially by administering oxytocin or by puncturing the amniotic sac
     subtype:  #hypnogenesis  the induction of sleep or hypnosis
  subtype:  #product_introduction__productintroduction  the introduction (usually by an advertising campaign) of a new product or product line
  subtype:  #ushering_in  the introduction of something new; "it signalled the ushering in of a new era"

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