opine

If you don't know what happened, don't opine - much less commit yourself to any specific course of action.

They will not attack us further, I opine, nor brave thee in the future in this rebellious fashion.

He had some very urgent business at Kilkenny; something that could not admit of delay, I opine.

I opine, whatever we do, she will not forget old days—the night at the earth-houses belike and other things.

The time has arrived, we opine, for trousers to be considered as public and not merely as private embellishments.

How can a man who opines or affirms, opine or affirm falsely — that is, opine or affirm the thing that is not?