What is a bemused smile?

What is a bemused smile?

; NAmE /bɪˈmjuːzd/ ​showing that you are confused and unable to think clearly synonym bewildered a bemused expression/smile She looked somewhat shaken and bemused by what had happened.

What is the synonym of bemused?

Synonyms of bemused addled, baffled, bamboozled, beat, befogged, befuddled, bewildered, buffaloed, confounded, confused, discombobulated, disoriented, flummoxed, foxed, fuddled, got, graveled (or gravelled), mazed, muddied, muddled, mystified, perplexed, posed, puzzled, vexed (also vext)