Live on own and act like this? (6)

I believe the answer is:

behave

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'act like this?' is the definition.
The definition suggests a singular noun but the answer is not.

'live on own' is the wordplay.
'live' becomes 'be' (synonyms).
'on' is a charade indicator (letters next to each other) (in a down clue, letters appear on others).
'own' becomes 'have' (synonyms).
'be'+'have'='BEHAVE'

'and' is the link.

Can you help me to learn more?

(Other definitions for behave that I've seen before include "Comport oneself" , "Act, conduct oneself" , "Act in a certain way" , "Act or react - show good manners" , "Conduct oneself properly" .)

I've seen this clue in The Irish Times.

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