Imperium in a broad sense translates as 'power'. In ancient Rome the concept applied to people and meant something like 'power status' or 'authority' or could be used with a geographical connotation and meant something like 'territory'. It isn't to be mistaken with 'auctoritas' (authority) or potestas. Personal characteristic In ancient Rome, imperium could be used as a term indicating a characteristic of people, the wealth held in items, or the measure of formal power they'd. This qualificat… (More on Imperium)