wager
verbUK /ˈweɪdʒə/
US /ˈweɪdʒər/
To bet something, like money, on what will happen.
He wagered ten dollars that his team would win the game.
OTHER MEANINGS
2. An amount of money or something valuable that is bet on a result.
She placed a small wager on the horse race.
3. To say strongly that something is true, often with confidence.
I would wager that it will rain tomorrow.
4. A promise or agreement in which someone risks something on an outcome.
They made a friendly wager about who could run faster.