Below are possible answers for the crossword clue Decorous.
cause to be calm or quiet as by administering a sedative to; "The patient must be sedated before the operation"
characterized by dignity and propriety
dignified and somber in manner or character and committed to keeping promises; "a grave God-fearing man"; "a quiet sedate nature"; "as sober as a judge"; "a solemn promise"; "the judge was solemn as he pronounced sentence"
according with custom or propriety;
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