He raised, a hand over his head as if in dismissal.

Such an action would likely result in dismissal of the charges.

In dismissal, he turned back to the stack of books.

They could have faced six months in term and dismissal from the service.

Turning his back in dismissal, he stared down into the fire.

This resulted in his dismissal from the company after six months.

Failure to do so, even with a friendly nation, could result in dismissal.

The town leader waved a hand in dismissal, turned, and walked away.

He waved his hand in dismissal and started to rise.

I shook my head and waved a hand in dismissal.