wonder:

won⋅der

[wuhn-der]

1. to think or speculate curiously: to wonder about the origin of the solar system.
2. to be filled with admiration, amazement, or awe; marvel (often fol. by at): He wondered at her composure in such a crisis.
3. to doubt: I wonder if she’ll really get here.

–verb (used with object)

4. to speculate curiously or be curious about; be curious to know: to wonder what happened.
5. to feel wonder at: I wonder that you went.

–noun

6. something strange and surprising; a cause of surprise, astonishment, or admiration: That building is a wonder. It is a wonder he declined such an offer.
7. the emotion excited by what is strange and surprising; a feeling of surprised or puzzled interest, sometimes tinged with admiration: He felt wonder at seeing the Grand Canyon.
8. miraculous deed or event; remarkable phenomenon.