Seemly (6)
'seemly' is the definition.
(similar in meaning)
This is all the clue.
(Other definitions for proper that I've seen before include "Real; genuine" , "Right, correct or appropriate" , "Befitting" , "Actual" , "Correct; respectable" .)
'seemly' is the definition.
(synonyms)
This is all the clue.
(Other definitions for decent that I've seen before include "Appropriate, fitting" , "Honourable or modest" , "Proper; passable" , "Fitting; satisfactory" , "Moral; fitting" .)