It depends on the sentence.
If you were to say She marveled at the scene it would be a correct synonym.
If you were to say I marveled what would happen it would be incorrect.
One good one is "marvel".
marvel
A synonym of wonder is amazement, awe, or astonishment.
The word 'marvel' is a noun, a word for someone or something that causes wonder or astonishment; a word for a person or a thing.
A marvel is something to wonder at.
marvel, speculate
roam
Wonder Woman is in DC Comics.
A synonym would be amazement, or surprise, wonder, awe, or shock.
awe, marvel, shock, surprise
wonder woman
Extraordinary, incredible, amazing, a marvel.