0 to start something again:
2 to begin or start something again after it has stopped for a period of time:
The plan was to restart nuclear reactors to make explosive tritium for weapons.
Pipeline restarts are not always smooth.
I will not authorize a restart of any work activities until I'm absolutely convinced that each organization will not risk further compromise of safety.
This is critical in salvaging parts that might normally be damaged when jogging the tool to a safe position after system restart.
With his sudden recouping of normal functioning, he was quite motivated to restart his life.