Crossword Genius

Signals assent (4)

Ross

I believe the answer is:

nods

'signals assent' is the definition.
(I've seen this before)

This is the entire clue.

(Other definitions for nods that I've seen before include "Indicates assent" , "Signals assent" , "Non-verbal indications of assent" , "Is careless" , "is about to crash?" .)

I've seen this clue in The Mirror and the Penny Press.
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