1. (

• divinatory ,
• mantic ,
• sibylline ,
• sibyllic ,
• vatic ,
• vatical

) resembling or characteristic of a prophet or prophecy; "the high priest's divinatory pronouncement"; "mantic powers"; "a kind of sibylline book with ready and infallible answers to questions" ;

2. (

• conjectural ,
• divinatory ,
• hypothetical ,
• hypothetic ,
• supposed ,
• suppositional ,
• suppositious ,
• supposititious

) 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" ;