The only way to settle the doubt was at their command.

Does he settle the doubt or put it aside?

He wrote to the Admiralty, and, starting for Plymouth, made every inquiry likely to settle the doubt.

This "very likely" was torture to her, and she was determined to try, at any rate, to settle the doubt.

Terrified at the idea of being followed, she tried to walk faster to reach a lighted shop-window, and settle the doubt which thus assailed her.

Thank you, Mr. Cooper, you have quite settled the doubt I had in my mind.

He had hoped to pull on board at once, and settle the doubts which had been agitating his mind all the morning.