Definitions:

1. Achieving a sense of resolution or acceptance after a difficult event, such as a loss or breakup. NOUN
   • She struggled to find closure after the sudden death of her pet.
2. The act of closing something, like a door, road, or business. NOUN
   • The store announced its closure after 20 years of business.

Synonyms:

• cessation
• closedown
• closing
• conclusion
• end
• ending
• resolution
• shutdown