Truthful vicar lied unexpectedly (9)

I believe the answer is:

veridical

'truthful' is the definition.
(thesaurus)

'vicar lied unexpectedly' is the wordplay.
'unexpectedly' indicates anagramming the letters.
'vicar'+'lied'='vicarlied'
'vicarlied' anagrammed gives 'VERIDICAL'.

I've seen this clue in The Times.

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