Go-ahead (noun)

1. Permission or approval to proceed with a plan or project; authorization.
2. An act of giving permission or authorization to proceed.

Origin:

Late 19th century: originally us, of unknown origin.

Examples:

1. The project manager asked for the go-ahead from the CEO to proceed with the plans.
2. We finally got the go-ahead from the government to start construction on the new road.
3. The proposal received the go-ahead from the board and the project was able to move forward.
4. She asked for the go-ahead to start working on the project as soon as possible.
5. The team waited for the go-ahead from their supervisor to begin the task.