Are many heartened by his uprightness? (3)
I believe the answer is:
ian
'many heartened by his uprightness?' is the definition.
The definition suggests a singular noun which matches the answer.
'are' is the wordplay.
I cannot quite understand how this works, but
'are' could be 'a' (short for 'are', historical unit of measurement) and 'a' is found within the answer.
The remaining letters 'in' is a valid word which might be clued in a way I don't see.
This explanation may well be incorrect...
Can you help me to learn more?
(Other definitions for ian that I've seen before include "Scottish John" , "Albert Beale's first name in EastEnders" , "Botham or Chappell?" , "The familar Dr Paisley" , "The familiar Dr Paisley" .)