Artist that base nurses easily brushed aside (9)

I believe the answer is:

ignorable

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'artist' is the definition.
The definition and answer are not the same part of speech.

'that base nurses easily brushed aside' is the wordplay.
'that base' becomes 'ignoble' (I've seen this before).
'nurses' indicates putting letters inside.
'easily brushed aside' becomes 'ra' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
'ignoble' enclosing 'ra' is 'IGNORABLE'.

Can you help me to learn more?

(Another definition for ignorable that I've seen is " not worth considering?".)

I've seen this clue in The Independent.

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