(1):

(a.) Rising or setting with the sun; - the opposite of acronycal.

(2):

(a.) Pertaining to the universe, and having special reference to universal law or order, or to the one grand harmonious system of things; hence; harmonious; orderly.

(3):

(a.) Pertaining to the solar system as a whole, and not to the earth alone.

(4):

(a.) Characteristic of the cosmos or universe; inconceivably great; vast; as, cosmic speed.