persuader

Hunger is a great persuader, and I am in hopes that you will soon see where your best interests lie.

And if y'ever handled one you know what a great little persuader a capstan-bar is.

Two or three pairs of substantial hunting spurs, with wide straps, will be found the most reliable kind of “persuader.”

A corporal saluted Mich'l, recognized Lane's haggard features, and Lane again felt that cogent persuader in his ribs.

"I should like to try this little persuader," said Deck, as he opened the box of ammunition, and proceeded to load the pistol.