The phrase "appears on stage" suggests the beginning of a performance or an actor's entrance into a scene. Other synonyms for this phrase could include "arrives on stage," "steps onto the stage," "emerges onto the stage," "enters onto the stage," or "makes an appearance on stage." These alternative terms highlight the action of an actor moving onto the performance area and engaging with the audience or other actors. Using varied terminology can add depth and variety to written descriptions or dialogue, and help to convey different moods or tones that reflect the performer's mindset or the overall atmosphere of the production.