(1):

(adv.) Readily; willingly; - in this sense used with would, or some other word expressing will.

(2):

(adv.) Promptly; quickly; easily.

(3):

(adv.) In a short time; shortly after any time specified or supposed; as, soon after sunrise.

(4):

(adv.) Without the usual delay; before any time supposed; early.

(5):

(a.) Speedy; quick.