Entertainer, i.e. star, lead in theatre performing? (7)
I believe the answer is:
artiste
'entertainer' is the definition.
(I know that artiste is a type of music interpreter)
'i e star lead in theatre performing?' is the wordplay.
'lead in' says to take the initial letters.
'performing?' indicates an anagram (the letters move around or 'perform').
The initial letter of 'theatre' is 't'.
'i'+'e'+'star'+'t'='iestart'
'iestart' anagrammed gives 'ARTISTE'.
(Other definitions for artiste that I've seen before include "Attires (anag.)" , "Attires for professional entertainer" , "Professional performer" , "One entertaining" , "nightclub entertainer?" .)