noun

palladium

Something that provides protection or ensures preservation.

The old essay called liberty a palladium of the nation.

Etymology

The legendary Palladium was a sacred image believed to safeguard Troy. Its name became a general term for something regarded as a guarantee of protection.

More examples

  • They regarded the charter as a palladium against arbitrary rule.
  • The sacred object served as the city’s palladium.
  • The author described the independent court as a palladium of public rights.

Forms

palladium · palladiums

Similar words

safeguard
Safeguard is the ordinary term for a protection; palladium is literary and can evoke a revered protective object.
bulwark
A bulwark resists a threat; palladium suggests something on which continued safety depends.