Friends may do this together, but not all together! (3)

I believe the answer is:

get

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

'friends may do this together' is the definition.
The definition suggests a singular noun but the answer is not.

'not all together' is the wordplay.
'not all' indicates a hidden word.
'GET' is hidden within 'together'.

'but' is the link.

Can you help me to learn more?

(Other definitions for get that I've seen before include "Fetch or obtain" , "See 18" , "Understand" , "Escape" , "Procure or secure" .)

I've seen this clue in the Evening Standard.

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