• script, storyline, synopsis of a plot
• if you talk about a likely or possible scenario, you are talking about the way in which a situation may develop.
• the scenario of a film is a piece of writing that gives an outline of the story; a technical use.
• sequence of events which is predictable, situation that repeats itself
• future series of events that could possibly happen
pre arranged scenario
• series of events that have been arranged ahead of time
• detailed outline of the conditions under which testing will be carried out