With reasonable certainty, reaction can be expected to follow action.

For that to work we need a pro-business, pro-growth government that provides reasonable certainty.

However, we agreed that we would identify carefully what we knew with reasonable certainty, estimate the uncertainties and distinguish it from what we were much more uncertain about.

We know three things with reasonable certainty.

However, a review concluded that the 'outcome of this long-term project cannot be assessed with reasonable certainty and therefore no profit or loss has been reflected', accounts show.