|1.||[ adjective ] based primarily on surmise rather than adequate evidence|
|Synonyms:||supposed suppositional suppositious supposititious conjectural|
"theories about the extinction of dinosaurs are still highly conjectural" "the supposed reason for his absence" "suppositious reconstructions of dead languages" "supposititious hypotheses"
|2.||[ adjective ] resembling or characteristic of a prophet or prophecy|
|Synonyms:||mantic vatic sibyllic vatical sibylline|
"the high priest's divinatory pronouncement" "mantic powers" "a kind of sibylline book with ready and infallible answers to questions"