Crossword Genius

Help with a wager? (4)

Ross

I believe the answer is:

abet

'help' is the definition.
(I've seen this before)

'with a wager?' is the wordplay.
'with' is a charade indicator (letters next to each other).
'wager?' becomes 'bet' ('bet' can be a synonym of 'wager').
'a' next to 'bet' is 'ABET'.

(Other definitions for abet that I've seen before include "Assist wrongly!" , "Crookedly endorse" , "Assist (in doing wrong?)" , "Incite (to commit an offence)" , "Help a criminal" .)

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