first appearance

Từ điển Oxford Learners Wordfinder Dictionary

noun

the act of beginning something new
- they looked forward to the debut of their new product line
• Syn:
introduction, debut, launching, unveiling, entry
• Derivationally related forms:
debut (for: debut)
• Hypernyms:
beginning, start, commencement
• Hyponyms:
induction, product introduction, ushering in, naturalization, naturalisation