something that will solve all problems
panacea - cure
A ‘panacea’ is something that people believe will make everything better and fix all ills or difficulties. If that sounds unrealistic, that’s because it is. This word is used almost exclusively to dispute, criticize, or mock the idea that a total or instant solution could ever possibly exist for all of society’s problems.
Updating our computer system is not a panacea for our technological struggles. We need to retrain the staff as well.
The new policy will help alleviate some issues, but it’s important to note that it is not a panacea for all our current economic woes.
Sarah’s mother doesn’t believe in taking any medicine. She thinks her homemade stew is a panacea for everything!