Crossword Genius

Make vinegarish expert testify without time (7)

Ross

I believe the answer is:

acetify

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

'make' is the definition.
The definition and answer can be both related to change as well as being verbs in their base form.
Perhaps you can see a link between them that I can't see?

'vinegarish expert testify without time' is the wordplay.
I cannot really see how this works, but
'expert' could be 'ace' (ace can informally mean very good) and 'ace' is located in the answer.
'time' could be 't' (abbreviation) and 't' is present in the answer.
This explanation may well be incorrect...

Can you help me to learn more?

I've seen this clue in the Sydney Morning Herald.
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