amazed

/əˈmeɪzd/

adjective

Greatly surprised; astonished.

I was amazed that he could remember me

astonished,astounded,staggered,surprised,startled,stunned,thunderstruck,aghast,taken aback,confounded,dumbfounded,stupefied,dazed,nonplussed,dumbstruck,open-mouthed,agape,lost for words,at a loss for words,speechless,wide-eyed,awed,awestruck,wonderstruck,filled with astonishment,filled with amazement,filled with awe,filled with wonder