Crossword Genius

Jam, of course, can behave like glue (5)

Ross

I believe the answer is:

stick

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

'glue' is the definition.
(to stick with glue)

'jam of course can behave' is the wordplay.
I cannot really understand how this works, but
'course' could be 's' and 's' is found within the answer.
The remaining letters 'tick' is a valid word which might be clued in a way I don't understand.
This explanation may well be incorrect...

'like' is the link.

Can you help me to learn more?

(Other definitions for stick that I've seen before include "Cane; criticism" , "Baton; gum" , "See 2" , "Adhere; baton" , "Switch < put up" .)

I've seen this clue in the Evening Standard.
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