noun. ['ˈraɪpənɪŋ, ˈraɪpnɪŋ'] coming to full development; becoming mature.
adjective. of plants that ripen in the fall.
noun. ['ˈraɪpənɪŋ, ˈraɪpnɪŋ'] acquiring desirable qualities by being left undisturbed for some time.