1. (noun) the act of beginning something new

• debut
• entry
• first appearance
• introduction
• launching

1. (noun) putting on display for the first time

• presentation

2. (noun) the act of beginning something new

• beginning
• commencement
• start

1. (noun) the act of beginning something new

• induction
• naturalisation
• naturalization
• product introduction
• ushering in

1. (noun) putting on display for the first time

• unveil

2. (noun) the act of beginning something new

• debut