D defs.my
Entry 1 sense Webster, 1913

In posse

/ĭn päs'-ē/ · In· pos·se · IPA /ɪnˈpɑsi/
01 In possibility; possible, although not yet in existence or come to pass; -- contradistinguished from in esse.
  1. 1.
    In possibility; possible, although not yet in existence or come to pass; -- contradistinguished from in esse.