Staid (6)
'staid' is the definition.
(synonyms)
This is all the clue.
(Other definitions for sober that I've seen before include "Serious, restrained" , "Restrained, grave" , "Unaffected by drink" , "Not sozzled" , "In control of one's faculties" .)
(Other definitions for proper that I've seen before include "Correct; respectable" , "Fitting and correct" , "Real; genuine" , "name someone's given" , "Appropiate, right" .)
'staid' is the definition.
(I know that staid can be written as sedate)
This is the entire clue.
(Other definitions for sedate that I've seen before include "Collected" , "Calm and dignified in manner" , "Decorous" , "Calm, not flighty" , "Staid - tranquillise" .)
'staid' is the definition.
(thesaurus)
This is all the clue.