Second solicitor is dauntless (5)
I believe the answer is:
stout
'dauntless' is the definition.
(thesaurus)
'second solicitor' is the wordplay.
'second' becomes 's' (common abbreviation).
'solicitor' becomes 'tout' (I've seen this before).
's'+'tout'='STOUT'
'is' is the link.
(Other definitions for stout that I've seen before include "Thick; beer" , "Fat - strong" , "Rather fat; determined" , "tipple" , "Strong; drink" .)