verb
wonder
WUN-dur/ˈwʌndər/
To feel curious or uncertain about something.
The man wonders what made the unfamiliar tracks leading beneath the fence.

Etymology
Old English wundrian meant being struck with amazement, but also developed the sense of being puzzled or curious. That connection between astonishment and uncertainty underlies today's wondering about something.
In context
I wonder what happens when you do a skirt like this out of something really lightweight.
More examples
- I wonder what caused that noise.
- We wondered how long the repair would take.
- He has been wondering about her sudden departure.
Forms
wonder · wonders · wondered · wondering
Similar words
- speculate
- Suggests actively considering possible explanations rather than simply feeling curious.
- ponder
- Ponder emphasizes sustained thought rather than uncertainty or curiosity.