Crossword Genius

Indicate agreement (3)

Ross

I believe the answer is:

nod

'indicate agreement' is the definition.
(I've seen this before)

This is all the clue.

(Other definitions for nod that I've seen before include "positive sign" , "Signify consent" , "OT land" , "'A . . . is as good as a wink to a blind horse'" , "Asleep in the land" .)

I've seen this clue in The Star Tribune, The Telegraph and the Universal.
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