Genuflect (5)
'genuflect' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for kneel that I've seen before include "prepare for dubbing?" , "Go down to be knighted" , "Rest on hassock" , "Show respect" , "Crouch down" .)
'genuflect' is the definition.
(thesaurus)
This is all the clue.