For theatrical performance:
* Platform: This is a more neutral term for the raised area where actors perform.
* Theater: This refers to the entire building or space dedicated to theatrical performances.
* Set: This refers to the scenery and props used in a play.
* Proscenium: This refers to the archway that frames the stage in a traditional theater.
For other uses:
* Phase: This refers to a specific point or period in a process or development.
* Level: This refers to a particular point or rank in a hierarchy.
* Step: This refers to a single action or increment in a process.
* Point: This refers to a specific moment or location.
More specific alternatives:
* Platform: A raised area for speakers, performers, or presentations.
* Podium: A raised platform for a speaker.
* Dais: A raised platform, often for guests of honor.
* Rostrum: A raised platform for a speaker, often with a lectern.
* Arena: A space for performances, exhibitions, or sporting events.
* Venue: A place where an event is held.
To give you the best alternative, please provide more context about how you are using the word "stage."