The action or fact of inclining to think something; conjecturing; assuming; imagining. Also: a conjecture, a hypothesis, an assumption, a…

The action of supposing something, supposition. Formerly often in on (also †upon) supposal of (also †that). Also parenthetically, †by (also upon) su…

Something supposed; a supposition, a hypothesis, a conjecture; an assumption. Also: an act or instance of supposing something.

In a suppositive or suppositious manner; by way of supposition; on a supposition; hypothetically; supposedly.

According to belief, but without conclusive evidence and perhaps mistakenly; as is (or was) supposed; by way of supposition.

(esp. in sense 3).

As may be supposed; imaginably; presumably; supposedly.

Originally and chiefly North American. = supposedly, adv. 1.

Supposedly.