Wild place might make you calm (10)
I believe the answer is:
phlegmatic
'you calm' is the definition.
'phlegmatic' can be an answer for 'calm' (I've seen this before). I am not sure about the 'you' bit.
'wild place might' is the wordplay.
'wild' indicates an anagram.
'place'+'might'='placemight'
'placemight' anagrammed gives 'PHLEGMATIC'.
'make' acts as a link.
Can you help me to learn more?
(Other definitions for phlegmatic that I've seen before include "Unemotional" , "Unexcitable" , "dull and lifeless" , "Calm; philosophical" , "cool" .)