Crossword Genius

Regard as a spectator (4,2)

Ross

I believe the answer is:

look on

I'm a little stuck... Click here to teach me more about this clue!

'regard' is the definition.
(I've seen this in another clue)

I don't understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for look on that I've seen before include "Be a spectator, watch" , "Watch as observer - dont get involved" , "Watch without becoming involved" , "Stand by watching, observe" , "Be a spectator, observe" .)

I've seen this clue in the Evening Standard.
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