a. [f. ARGUE v. + -ABLE.] Capable of being argued, open to argument.
1611. Cotgr., Plaidoyable, pleadable, arguable.
1804. Morning Post, 8 March, 2/1. Measures after applied for to Parliament, should be claimed on ostensible not on arguable grounds.
1860. Bagehot, Hist. Unref. Parl., 13. The Jacobites … claimed the Crown, not on arguable considerations of policy, but on ascertainable claims of descent.
1883. Law Times, 22 Sept., 356/1. It was a very arguable point whether this Act applied to … Cape Colony.
