The word "sedition" brings to mind mutiny, treason and treachery, preferably against a monarch. In the 1992 film Last of the Mohicans, for example, one character, Colonel Munro, expresses his anger at the suggestion of some colonials leaving a fort while it is being attacked by the French: "Anyone fomenting or advocating the leaving of Fort William Henry will be hung for sedition. Anyone actually caught leaving will be shot for desertion!".

The non-legal usage of the word, in both Spanish and English, reflects that history. Spain's dictionary of reference, the RAE, defines it as "a colle...