Shake head in assent (3)
I believe the answer is:
nod
(Other definitions for nod that I've seen before include "Green light" , "Move head in agreement" , "Signal with the head" , "Move head in assent" , "Gesture of approval with head" .)
I believe the answer is:
nod
(Other definitions for nod that I've seen before include "Green light" , "Move head in agreement" , "Signal with the head" , "Move head in assent" , "Gesture of approval with head" .)