Lawrence embraces upset mother in a quiet and restrained way (4)
I believe the answer is:
tame
'a quiet and restrained way' is the definition.
I can't tell whether this defines the answer.
'lawrence embraces upset mother' is the wordplay.
'lawrence' becomes 'TE' (initials of TE Lawrence aka Lawrence of Arabia).
'embraces' indicates putting letters inside.
'upset' says the letters should be written backwards.
'mother' becomes 'ma' (Ma is another word for mother or mum).
'ma' in reverse letter order is 'am'.
'te' enclosing 'am' is 'TAME'.
'in' is the link.
Can you help me to learn more?
(Other definitions for tame that I've seen before include "Domesticated - dull" , "'Domesticated, docile (4)'" , "Submissive -- pedestrian" , "Subdue" , "Not exciting; cooperative" .)