scenario, n. (pl. -os)
1 an outline of the plot of a play, film, opera, etc., with details of the scenes, situations, etc.
2 a postulated sequence of future events.
scenarist n. (in sense 1).
It. (as SCENA)
book, continuity, cue, design, framework, game plan, layout, libretto, lines, outline, playbook, plot, precis, project, projection, proposal, proposition, prospectus, resume, routine, scene plot, schema, score, script, shooting script, side, structure, synopsis, text