hypothetical

Noun
  1. A hypothetical possibility, circumstance, statement, proposal, situation, etc. (synset 105898182)
    "consider the following, just as a hypothetical"
Adjective
  1. Based primarily on surmise rather than adequate evidence (synset 300864403)
    "theories about the extinction of dinosaurs are still highly conjectural"; "the supposed reason for his absence"; "suppositious reconstructions of dead languages"; "hypothetical situation"

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