wager
noun.
the act of gambling
he did it on a bet
Synonym: bet
noun.
the money risked on a gamble
Synonym: bet, stake, stakes
verb.
stake on the outcome of an issue
I bet $100 on that new horse|She played all her money on the dark horse
Synonym: bet, play
verb.
maintain with or as if with a bet
I bet she will be there!
Synonym: bet