1.
[syn: conjectural, divinatory, hypothetical, hypothetic, supposed, suppositional, suppositious, supposititious]
The Collaborative International Dictionary of English v.0.48:
Suppositional \Sup`po*si"tion*al\, a.
Resting on supposition; hypothetical; conjectural; supposed.
--South.
[1913 Webster]
WordNet (r) 3.0 (2006):
suppositional
adj 1: based primarily on surmise rather than adequate evidence;
"theories about the extinction of dinosaurs are still
highly conjectural"; "the supposed reason for his
absence"; "suppositious reconstructions of dead
languages"; "hypothetical situation" [syn: conjectural,
divinatory, hypothetical, hypothetic, supposed,
suppositional, suppositious, supposititious]