bet in WordNet English dictionary

1. the act of gambling
   "he did it on a bet"
   bet  wager 
   
2. the money risked on a gamble
   stake  stakes  bet  wager 
   

1. have faith or confidence in
   "you can count on me to help you any time"; "Look to your friends for support"; "You can bet on that!"; "Depend on your family in times of crisis"
   count  bet  depend  look  calculate  reckon 
   
2. maintain with or as if with a bet
   "I bet she will be there!"
   bet  wager 
   
3. stake on the outcome of an issue
   "I bet $100 on that new horse"; "She played all her money on the dark horse"
   bet  wager  play