The definition of a scenario is a series of events that is projected to occur.(noun)
When you run through all of the possible outcomes of a conversation in your head, this is an example of a situation where you run through all possible scenarios.
See scenario in Webster's New World College Dictionary
noun pl. scenarios
Origin: It < L scaenarium < scaena, stage, scene
See scenario in American Heritage Dictionary 4
noun pl. sce·nar·i·os
Origin: , from scena, scene
Origin: , from Latin scaena; see scene.
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