Of clear mind (5)
I believe the answer is:
lucid
(Other definitions for lucid that I've seen before include "Rational, clear" , "Limpid" , "Able to think clearly" , "Compos mentis" , "Transparently clear" .)
I believe the answer is:
lucid
(Other definitions for lucid that I've seen before include "Rational, clear" , "Limpid" , "Able to think clearly" , "Compos mentis" , "Transparently clear" .)