bonanza
noun /bəˈnænzə/
  /bəˈnænzə/
 [singular]- a situation in which people can make a lot of money or be very successful
- a cash bonanza for investors
 - a bonanza year for the computer industry
 
 - a situation where there is a large amount of something pleasant
- the usual bonanza of sport in the summer
 
 
Word Originearly 19th cent. (originally US, especially with reference to success when mining): from Spanish, literally ‘fair weather, prosperity’, from Latin bonus ‘good’.