astonishment , awe , bewilderment
A synonym of wonder is amazement, awe, or astonishment.
roam
A synonym would be amazement, or surprise, wonder, awe, or shock.
Think about, Daydream
amazement, awe, wonder, miracle.
no it is not... "ponder" and "wonder", however, are
No, 2 completely different words
Consider, contemplate, ponder.
A synonym for roam could be wonder or travel.
disaster, catastrophe, fiasco
One good one is "marvel".
I wonder if you are looking for the near synonym - not antonym - ultimate.
magnificence, splendor, beauty, wonder, grandeur, brilliance, exaltation.