1. (

• sedate ,
• calm ,
• tranquilize ,
• tranquillize ,
• tranquillise

) cause to be calm or quiet as by administering a sedative to; "The patient must be sedated before the operation" ;

1. (

• sedate ,
• staid

) characterized by dignity and propriety ;

2. (

• grave ,
• sedate ,
• sober ,
• solemn

) 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" ;