: on or onto a stage : on a part of the stage visible to the audience.
a single step or degree in a process; a particular phase, period, position, etc., in a process, development, or series. a raised platform or floor, as for speakers, performers, etc. Theater. the platform on which the actors perform in a theater.
The definition of a stage is a platform or an area of raised floor. An example of a stage is what dancers dance on during a professional performance.