bonanza
Pronunciation:
/bəˈnænzə/noun
Definitions
A rich mine or vein of silver or gold.
Antonyms:borrascaThe point at which two mother lodes intersect.
(by extension) Anything which is a mine of wealth or yields a large income or return.
Example: The popular show quickly became a ratings bonanza for the network.
Synonyms:mother lode