KEY: Sedate.
SYN: Sober, demure, serious, calm, thoughtful, grave, settled, composed, unimpassioned, serene, passive, quiet.
ANT: Flighty, frolicsome, indiscreet, unsedate, ruffled, agitated, disturbed.
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KEY: Sedative.
SYN: Allaying, tranquillizing, composing, soothing, demulcent, palliative, assuasive, lenient, anodyne, hypnotic.
ANT: Disturbing, exciting, irritant.
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KEY: Sedentary.
SYN: Close, assiduous, studious.