Resting on supposition; hypothetical; conjectural.(adjective)
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Use "suppositional" in a sentence
"In Â§3 we examine what I call the suppositional theory: that conditional judgements essentially involve suppositions."
"Any ideology may take the form of a categorical faith or a suppositional theory; a distinction should perhaps be made, therefore, between Absolute ISMs and Relative ISMs. posted by Hal Duncan | 5: 45 PM"
"I have an inkling that a narrative dynamics based in modality could be factored up to a narrative logic, an informal logic that I'm sorely tempted to call a "suppositional calculus"."