さぞや

adverb

surely; certainly; no doubt

Emphatic adverb expressing strong conjecture or sympathy, often used when imagining someone's feelings or situation. Similar to さぞ or さぞかし, but with a slightly more emotive or literary feel.

See also: さぞ · さぞかし

• さぞやお疲つかれでしょう。

  You must be very tired, I'm sure.

• さぞや驚おどろかれたことと思おもいます。

  I imagine you were quite surprised.