suppose

sup·pose

1. To assume to be true or real for the sake of argument or explanation: Suppose we win the lottery.
2. a. To believe, especially on uncertain or tentative grounds: Scientists supposed that large dinosaurs lived in swamps.
   b. To consider to be probable or likely: I suppose it will rain.
3. To imply as an antecedent condition; presuppose: “Patience must suppose pain” (Samuel Johnson).
4. To consider as a suggestion: Suppose we dine together.

Origin: Middle English supposen, from Old French supposer, alteration (influenced by poser, to place) of Medieval Latin suppōnere, from Latin, to put under : sub-, sub- + pōnere, to place; see apo- in Indo-European roots.