precipitate
Definitions
To cause an event or situation, typically one that is bad or undesirable, to happen suddenly, unexpectedly, or prematurely.
To cause a substance to be deposited in solid form from a solution.
Done, made, or acting suddenly or without careful consideration.
Examples
The sudden change in policy served to precipitate a heated debate among the board members.
The chemical reaction caused the solid particles to precipitate out of the solution.