inaugural

Adjective

• serving to set in motion
  • the magazine's inaugural issue
    
  • the initiative phase in the negotiations
    
  • an initiatory step toward a treaty
    
  • his first (or maiden) speech in Congress
    
  • the liner's maiden voyage
    

• occurring at or characteristic of a formal investiture or induction
  • the President's inaugural address
    
  • an inaugural ball
    

Noun

• the ceremonial induction into a position
  • the new president obviously enjoyed his inauguration
    

• an address delivered at an inaugural ceremony (especially by a United States president)

Related words

• Synonyms: 
  initiative , initiatory , first , maiden , inauguration , inaugural address