From Longman Dictionary of Contemporary EnglishI dare sayI dare say (also I daresay)PROBABLY spoken especially British English used when saying or agreeing that something may be trueI dare say things will improve. →dare
Examples from the Corpus
I dare say• There's lots of things that ought, I dare say.• What Miguel says goes around here, I dare say.• They sang in perfectharmony, although I dare say Alex Ferguson will complain about the pitch.• Although it was correct, I dare say, and he no doubtintended it as a mark of respect.• Were it not fur her, I dare say Edward Plantagenet would long since have succumbed to ennui and despair.• His mouth twitches almost imperceptibly. I dare say that mine, under the cover of my beard, twitches faintly back.• They're all these chemical things now - I dare say they're just as good really.• I dare say things will improve.• You understand not - how could you? I dare say you never will.