pro·pa·gan·da

Etymology: New Latin, from Congregatio de propaganda fide Congregation for propagating the faith, organisation established by Pope Gregory XV died 1623
1. Capitalised : a congregation of the Roman curia having jurisdiction over missionary territories and related institutions
2. The spreading of ideas, information, or rumor for the purpose of helping or injuring an institution, a cause, or a person
3. Ideas, facts or allegations spread deliberately to further a cause or to damage an opposing cause;
also : a public action having such an effect

So it's nothing to do with boy geese and here I was all ready to ponder "what's an IMpropaganda"

That idea's buggered, innit. I may as well go get Stoned instead.