Main entry: conjecture
Definition: reasoning that involves the formation of conclusions from incomplete evidence
Main entry: speculation, conjecture
Definition: a hypothesis that has been formed by speculating or conjecturing (usually with little hard evidence)
Usage: speculations about the outcome of the election; he dismissed it as mere conjecture
Main entry: supposition, surmisal, surmise, hypothesis, guess, speculation, conjecture
Definition: a message expressing an opinion based on incomplete evidence
Main entry: theorise, theorize, suppose, hypothecate, hypothesise, hypothesize, speculate, conjecture
Definition: to believe especially on uncertain or tentative grounds
Usage: Scientists supposed that large dinosaurs lived in swamps