The opening scene of a play, movie, or story is crucial to set the tone and create a first impression for the audience. There are several synonyms for the term "first scene" that can be used to add variety and depth to your writing. These include "opening sequence," "introductory act," "prelude," "prologue," "preliminary chapter," "initial scene," "commencement," "curtain-raiser," "lead-off," "foreword," and "inaugural scene." Using diverse phrases to describe the first scene can help to create a unique and memorable beginning to your work, enticing readers or viewers to continue following the story.