- sedate, staid - characterized by dignity and propriety
Antonyms: indecorous, indelicate (indirect, via decorous)
- 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"
Antonym: frivolous (indirect, via serious)
- 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 is one way to affect
Antonyms: stimulate, arouse, brace, energize, energise, perk up
Derived form: noun sedation2
Somebody ----s somebody