hy·po·thet·i·cal 
(hī′pə-thĕtĭ-kəl)
(hī′pə-thĕtĭ-kəl)adj. also hy·po·thet·ic (-thĕtĭk)
1. Of, relating to, or based on a hypothesis: a hypothetical situation.
2. Conditional; contingent: the hypothetical meaning of a clause beginning with if.
n.
A hypothetical circumstance, condition, scenario, or situation: OK, let's consider this possibility then—just as a hypothetical.
[From Greek hupothetikos, from hupothetos, placed under, supposed, from hupotithenai, to suppose; see HYPOTHESIS.]
hy′po·theti·cal·ly adv.