Synonyms of conjectural

Adjective

1. conjectural, divinatory, hypothetical, hypothetic, supposed, suppositional, suppositious, supposititious, theoretical (vs. empirical), theoretic

usage: 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"

Definition and meaning of conjectural (Dictionary)