supposition

The act of supposing.

Something supposed; an assumption.

The act and mental result of hypothetical inference; that act of mind by which a likelihood is admitted in a proposition on account of the truth of its consequences; a presumption.

The act and mental result of formulating a proposition, without reference to its truth or falsity, for the sake of tracing out its consequences; a hypothesis.

In logic, the way in which a name is to be understood in a given proposition, in reference to its standing for an object of this or that class.