Voltaire spectre maintains good opinion (7)

I believe the answer is:

respect

'good opinion' is the definition.

'voltaire spectre maintains' is the wordplay.
'maintains' indicates the answer is hidden within the clue (I've seen 'maintaining' mean this (the solution is held or maintained within the clue)).
'RESPECT' is hidden in the letters of 'voltaire spectre'.

(Other definitions for respect that I've seen before include "Appreciate - consideration" , "relation" , "Due regard; admiration" , "Reverence" , "Treat with consideration" .)

I've seen this clue in The Sun.

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