Method about right, being cautious? (4)
I believe the answer is:
wary
'being cautious?' is the definition.
(similar in meaning)
'method about right' is the wordplay.
'method' becomes 'way' (I've seen this before).
'about' means one lot of letters goes inside another.
'right' becomes 'r' (common abbreviation).
'way' placed around 'r' is 'WARY'.
(Other definitions for wary that I've seen before include "Distrustful" , "James Bond villain" , "Guarded" , "Cautious, suspicious" , "Cautious and vigilant.17 Add up for infant" .)