The term "stage-struck" refers to someone who is deeply passionate about the world of the performing arts. However, there are many synonyms for the word. For instance, one could use words like enthusiastic, zealous, or infatuated to describe someone who is heavily invested in the theatre. Likewise, words like entranced, captivated, and mesmerized could be used to describe those who are spellbound by the performers or the stage itself. Other words like fanatic or devotee could also be employed to depict someone with an intense love for theatre, while words like obsessed or fixated might depict someone who is addicted to the world of the performing arts.