Conjecturable [adjective]

Definition of Conjecturable:

probable, apt, hopeful

Opposite/Antonyms of Conjecturable:

Sentence/Example of Conjecturable:

But to ask for some sort of visible or plausibly conjecturable effect is not at all the same thing as to ask for miracles.

The exact spot is conjecturable, but a brass has been placed where the mingled remains are supposed to lie.

Then there was a small, self-opinionated gray pony, which was of no service conjecturable after this lapse of time.