A statement or an idea which is unproven, but is thought to be true; a guess.
I explained it, but it is pure conjecture whether he understood, or not.
A supposition based upon incomplete evidence; a hypothesis.
The physicist used his conjecture about subatomic particles to design an experiment.
(philology) A statement likely to be true based on available evidence, but which has not been formally proven.
Interpretation of signs and omens.
To guess; to venture an unproven idea.
I do not know if it is true; I am simply conjecturing here.
To infer on slight evidence; to guess at.