To reinstate someone means to restore them to a position or role they previously held but lost. When a player gets suspended from a team for breaking rules and then serves their punishment, the coach might reinstate them, allowing them to play again. When a library card gets suspended for overdue books, paying the fines might reinstate your borrowing privileges.

The word suggests bringing something back to its former status or condition. A company might reinstate an employee who was unfairly fired. A school might reinstate a cancelled field trip after finding a solution to the problem that caused the cancellation. The key idea is restoration: putting things back the way they were before something interrupted or ended them.

Reinstatement is the noun form. An athlete fighting for reinstatement wants their spot on the team back. The word often appears in official or formal contexts because it typically involves rules, policies, or authority figures making decisions about who gets restored to what position.