Free from agitation; calm; sedate; quiet; tranquil; self-possessed, showing composure, serenely self-possessed and free from agitation especially in times of stress,

Nearly or completely motionless; undisturbed, Not excited or agitated; composed, Not stormy; without motion, as of winds or waves; still; quiet; serene; undisturbed, noun_ Freedom from motion, agitation, or disturbance; a cessation or absence of that which causes motion or disturbance, as of winds or waves; tranquility; stillness; quiet; serenity, A period of time without wind, ve, rb_ make calm or still, make steady

not agitated; without losing self-possession