OXFORD DICTIONARY
, 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)
THESAURUS
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