DUMBFOUND
Meaning of DUMBFOUND in English
verb
1.
Synonyms: surprise 2, amaze, astonish, astound, flabbergast
2.
Synonyms: stagger 5, boggle, nonplus
Merriam Webster.
Collegiate thesaurus English vocabulary.
Английский энциклопедический словарь тезаурус.
2003