nod

To lower and raise the head quickly, as in agreement or acknowledgment.

To let the head fall forward when sleepy.

To be careless or momentarily inattentive as if sleepy; lapse.

To sway, move up and down, or droop, as flowers in the wind.

To lower and raise (the head) quickly in agreement or acknowledgment.

To express by lowering and raising the head.

To summon, guide, or send by nodding the head.

A forward or up-and-down movement of the head, usually expressive of drowsiness or agreement.

An indication of approval or assent.

A nomination for an award.