superable

adjective

su·​per·​a·​ble ˈsü-p(ə-)rə-bəl 

: capable of being overcome or conquered

superableness noun

superably

ˈsü-p(ə-)rə-blē 

adverb

Word History

Etymology

Latin superabilis, from superare to surmount — more at insuperable

First Known Use

1629, in the meaning defined above