wager

Something deposited, laid, or hazarded on the event of a contest or an unsettled question; a bet; a stake; a pledge.

That on which bets are laid; the subject of a bet.

A contract by which two parties or more agree that a certain sum of money, or other thing, shall be paid or delivered to one of them, on the happening or not happening of an uncertain event.

An offer to make oath.

To bet something; to put it up as collateral

“I'd wager my boots on it.”

To suppose; to dare say.

“I'll wager that Johnson knows something about all this.”

Agent noun of wage; one who wages.