Inciting or causing people to rebel against the authority of a state or monarch.
Late Middle English: from Old French seditieux or Latin seditiosus, from seditio ‘mutinous separation’ (see sedition).
“He read the letter and instantly declared it seditious!”
An antechamber, hall, or lobby next to the outer door of a building.
Early 17th century (denoting the space in front of the main entrance of a classical Roman or Greek building): from French, or from Latin vestibulum ‘entrance court’.