Crossword Genius

See son with cannabis (4)

Ross

I believe the answer is:

spot

'see' is the definition.
(thesaurus)

'son with cannabis' is the wordplay.
'son' becomes 's'.
'with' is a charade indicator (letters next to each other).
'cannabis' becomes 'pot' ('pot' can be a synonym of 'cannabis').
's'+'pot'='SPOT'

(Other definitions for spot that I've seen before include "Identify" , "Lady Macbeth: ''Out, damned . . . .!''" , "Mark, dot" , "point on snooker table" , "See; eruption" .)

I've seen this clue in The Times.
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