To lay (a thing) at rest; lay by; lay up; deposit.To lay at rest; refresh by rest: with reference to a person, and often used reflexively.To cause to be calm or quiet; tranquilize; compose.To lay, place, or rest, as confidence or trust.To lie or be at rest; take rest; sleep.To rest in confidence; rely: followed by on or upon.Synonyms To recline, settle, slumber. See rest, intransitive verbn. The act or state of reposing; inaction; a lying at rest; sleep; rest.n. Freedom from disturbance of any kind; tranquillity.n. Settled composure; natural or habitual dignity and calmness of manner and action.n. Cause of rest; that which gives repose; a rest; a pause.n. In a work of art, dependence for effect entirely upon inherent excellence, all meretricious effect of gaudiness of color or exaggeration of attitude being avoided; a general moderation or restraint of color and treatment; an avoidance of obtrusive tints and of violent action.n. =Syn. 1–3. Quiet, Tranquillity, etc. (see rest), quietness.