Exercised vice/taken in by act (8)

I believe the answer is:

deceived

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'exercised' is the definition.
The definition and answer can be both to do with social activities as well as being past participle verbs.
Perhaps you can see a link between them that I don't see?

I can't explain the rest of the clue.

Can you help me to learn more?

(Other definitions for deceived that I've seen before include "Led astray, deluded" , "Caused someone to believe something that wasn't true" .)

I've seen this clue in The Independent.

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