Treatable \Treat"a*ble\, a. [OE. tretable, F. traitable, L. tractabilis. See {Treat}, and cf. {Tractable}.] Manageable; tractable; hence, moderate; not violent. [Obs.] " A treatable disposition, a strong memory." --R. Parr. [1913 Webster] A kind of treatable dissolution. --Hooker. [1913 Webster] The heats or the colds of seasons are less treatable than with us. --Sir W. Temple. [1913 Webster]