Which word is the most appropriate replacement for the word flabbergasted in this sentence?

Charlene looked on, flabbergasted, as the stranger threw himself on the sofa and turned on the television.

Question

Which word is the most appropriate replacement for the word flabbergasted in this sentence?
 
Charlene looked on, flabbergasted, as the stranger threw himself on the sofa and turned on the television.

anonymous · Answer

terrifed 
awed
puzzled
dumbfounded

anonymous · Answer

What do you think ?

anonymous · Answer

Synonyms amazed, astonished, astounded, awestruck (also awestricken), bowled over, dumbfounded (also dumfounded), dumbstruck, flabbergasted, shocked, stunned, stupefied

anonymous · Answer

@mitzimonic1211 Are you good now?

anonymous · Answer

Flabbergasted means, surprised with great astonishment. 
Dumbfounded means, amazed, astonished. So that means that @TheNewSchoolProject is correct. I would be dumbfounded since those two words mean the exact same thing.

anonymous · Answer

puzzled

anonymous · Answer

No puzzled means perplexed, or unable to understand something.

anonymous · Answer

Remember flabbergasted means amazed or astonished.

anonymous · Answer

So its dumbfounded

anonymous · Answer

If you didn't get it already

anonymous · Answer

yes it is