wager

(noun) the act of gambling. Synonyms: bet. Examples: "He did it on a bet."

(noun) the money risked on a gamble. Synonyms: stake, stakes, bet.

(verb) stake on the outcome of an issue. Synonyms: bet, play. Examples: "I bet $100 on that new horse." "She played all her money on the dark horse."

(verb) maintain with or as if with a bet. Synonyms: bet. Examples: "I bet she will be there!."