Be good enough to carry on? (6)
I believe the answer is:
behave
'carry on?' is the definition.
'behave' can be an answer for 'carry' (synonyms). I'm unsure of the 'on?' bit.
'be good enough' is the wordplay.
'good enough' becomes 'have' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
'be'+'have'='BEHAVE'
'to' acts as a link.
Can you help me to learn more?
(Other definitions for behave that I've seen before include "Conduct oneself properly" , "Stop acting up!" , "Act appropriately" , "Act in a specified way" , "function" .)