Other forms: stagings
Staging is a set of raised platforms used in a theatrical production. Construction workers also use staging to support them as they repair the outside of a building.
In plays and film the word staging can be used for the scaffolding that physically supports scenery and actors — and also for the process of presenting a work theatrically. This kind of staging involves modifying and designing a space, preparing it for a play. Preparing a house in order to sell it is also a kind of staging. If you're an astronomer, you probably use this noun to mean employing many engines, in separate stages, to launch a rocket.