定さだめし

adverb

surely; no doubt; I'm sure

Expresses the speaker's strong conjecture or belief about a situation, often with a sympathetic or emotional tone. Commonly used when imagining someone else's feelings or circumstances.

• 定さだめしお疲つかれのことでしょう。

  You must be tired, I'm sure.

• 定さだめし驚おどろかれたことと思おもいます。

  I imagine you were surely surprised.