(1):

(n.) To deliver from agitation or excitement; to still or soothe, as the mind or passions.

(2):

(super.) Not stormy; without motion, as of winds or waves; still; quiet; serene; undisturbed.

(3):

(n.) To make calm; to render still or quiet, as elements; as, to calm the winds.

(4):

(super.) Undisturbed by passion or emotion; not agitated or excited; tranquil; quiet in act or speech.

(5):

(n.) 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.