Webster's Revised Unabridged Dictionary · 1913

Tractable

Tractable , adjective

[Latin tractabilis, fr, tractare to draw violently, to handle, treat. See Treat, transitive verb]

1.
Capable of being easily led, taught, or managed; docile; manageable; governable; as, tractable children; a tractable learner.
I shall find them tractable enough. — Shakespeare
2.
Capable of being handled; palpable; practicable; feasible; as, tractable measures. [Obsolete] — Holder