Crossword Genius

With "Tut, child!" make's one's entrance (5,2)

Ross

I believe the answer is:

comes on

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'with tut child make's one's entrance' is the definition.
I can't judge whether this definition defines the answer.

'with tut child make's one's' is the wordplay.
'with' is an insertion indicator.
'tut child' becomes 'com' (I can't explain this - if you can you should give a lot more credence to this answer).
'make's' indicates an anagram (I've seen 'make' mean this).
'ones' with letters rearranged gives 'eson'.
'com' inserted inside 'eson' is 'COMES ON'.

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I've seen this clue in the Evening Standard.
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