Change some controversial terminology (5)

I believe the answer is:

alter

'change' is the definition.
('alter' can be a synonym of 'change')

'some controversial terminology' is the wordplay.
'some' indicates the answer is hidden within the clue (some of the parts of the word are used).
'ALTER' can be found hidden inside 'controversial terminology'.

(Other definitions for alter that I've seen before include "Vary" , "convert" , "Adapt" , "Become different" , "shift" .)

I've seen this clue in The Telegraph.

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