mountable,a.|ˈmaʊntəb(ə)l| [f. mount v. + -able.] Capable of being mounted or ascended. a1608Sir F. Vere Comm. (1657) 38 [The rampier] was very mountable, and lay close to the old wall of the town.1611Cotgr., Montable, mountable, ascendable, climable.