Crossword Genius

Was returned as ensured (3)

Ross

I believe the answer is:

saw

'ensured' is the definition.
('see' can be a synonym of 'ensure')

'was returned' is the wordplay.
'returned' shows that the letters should be reversed in order.
'was' back-to-front is 'SAW'.

'as' acts as a link.

(Other definitions for saw that I've seen before include "Cutting tool or maxim" , "Cutting tool or old saying" , "Realised" , "Saying; cut wood" , "Viewed; maxim" .)

I've seen this clue in the Evening Standard.
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