knock over with feather

astonish bewilder confound confuse dumbfound flabbergast overwhelm shock stagger startle stun stupefy surprise

daze

blow away bowl over take aback

calm clarify clear up enlighten expect explain

bore dull

amaze astonish bewilder boggle confound flabbergast nonplus puzzle startle stun

overwhelm stagger surprise throw

blow away blow one's mind bowl over take aback throw into a tizzy

calm clarify clear up enlighten expect explain

explicate lay out