Definitions:

1. an occurrence of an unusual mixture noun
   • it suddenly spewed out a thick green concoction
2. any foodstuff made by combining different ingredients noun
   • Since their recent training as a chef, their concoctions have become much more palatable.
3. the invention of a scheme or story to suit some purpose noun
   • The supposed history they told was a concoction to improve their prestige.

Synonyms:

• confection
• mixture