Artless politician getting into a pack of lies (6)
I believe the answer is:
simple
'artless' is the definition.
(similar in meaning)
'politician getting into a pack of lies' is the wordplay.
I cannot really see how this works, but
'politician' could be 'mp' (Member of Parliament) and 'mp' is present in the answer.
an anagram of 'lies' is 'sile' which is within the remaining letters.
This accounts for all the letters.
This may be the basis of the clue (or it may be nonsense).
Can you help me to learn more?
(Other definitions for simple that I've seen before include "Easily done/understood" , "Straightforward, not elaborate" , "Easy; herb" , "Unpretentious" , "Easily understood" .)