A member of society too (2,4)

I believe the answer is:

as well

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'too' is the definition.
(synonyms)

'a member of society' is the wordplay.
'member of society' becomes 'swell' (I can't justify this - if you can you should believe this answer much more).
'a'+'swell'='AS WELL'

Can you help me to learn more?

(Other definitions for as well that I've seen before include "Also, additionally" , "with equal effect" , "A swell sort of addition" , "on top" , "Also, in addition" .)

I've seen this clue in The Globe and Mail.

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