panacea
Pronunciation:
/ˌpæn.əˈsiː.ə//ˌpæn.əˈsiː.ə/noun
Definitions
A remedy believed to cure all disease and prolong life that was originally sought by alchemists; a cure-all.
Something that will solve all problems.
Example: A monorail will be a panacea for our traffic woes.
The plant allheal (Valeriana officinalis), believed to cure all ills.