n.

1. an advantageous purchase;
   bargain, steal
   
   • she got a bargain at the auction
   • the stock was a real buy at that price

v.

1. obtain by purchase; acquire by means of a financial transaction;
   purchase
   
   • The family purchased a new car
   • The conglomerate acquired a new company
   • She buys for the big department store
2. make illegal payments to in exchange for favors or influence;
   bribe, corrupt, grease one's palms
   
   • This judge can be bought
3. acquire by trade or sacrifice or exchange
   
   • She wanted to buy his love with her dedication to him and his work
4. accept as true
   
   • I can't buy this story
5. be worth or be capable of buying
   
   • This sum will buy you a ride on the train