Scientists have conjectured the existence of parallel universes.

She is conjecturing about the outcome of the experiment.

Conjecturing is an essential part of the scientific process.

The cause of the accident is still conjecturable.

He spoke conjecturably about the outcome of the game.

The conjecturer made several guesses about the outcome of the experiment.

The conjecturers presented their theories at the conference.

The conjecturings of the scientists led to new discoveries.

The conjecturability of the situation made it difficult to make a decision.

The Poincaré conjecture was a famous unsolved problem in mathematics for over a century.