Crossword Genius

Actually do something with endless knowledge (2,4)

Ross

I believe the answer is:

in fact

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Here is my best explanation:

'actually' is the definition.
(synonyms)

'do something with endless knowledge' is the wordplay.
'do something' becomes 'act' (I've seen this before).
'with' is a charade indicator (letters next to each other).
'endless' means to remove the last letter.
'knowledge' becomes 'info' (I've seen this before).
'info' with its final letter taken off is 'inf'.
'act' after 'inf' is 'IN FACT'.

Ross

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This clue was last seen in The Times

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