hypothetically

/ˌhaɪpəˈθɛtɪkli/
adverb
  1. In a way that imagines or assumes something for the sake of argument or discussion, without it being real.
    • I'm speaking hypothetically, of course — I don't actually plan to quit my job.
    • Hypothetically, if we left now, we could arrive before dark.
    • She asked hypothetically what would happen if the Earth stopped spinning.