(v. t.) To represent to one's self, or state to another, not as true or real, but as if so, and with a view to some consequence or application which the reality would involve or admit of; to imagine or admit to exist, for the sake of argument or illustration; to assume to be true; as, let us suppose the earth to be the center of the system, what would be the result?
SUPPOSE
Meaning of SUPPOSE in English
Webster's English dictionary. Английский словарь Webster. 2012