How do you spell Corrective

Available Definitions:
1)  a. - Having the power to correct; tending to rectify; as, corrective penalties.
2)  a. - Qualifying; limiting.
3)  n. - That which has the power of correcting, altering, or counteracting what is wrong or injurious; as, alkalies are correctives of acids; penalties are correctives of immoral conduct.
4)  n. - Limitation; restriction.