Flexible

Webster's Dictionary of the English Language

·adj Capable or being adapted or molded; plastic,; as, a flexible language.

II. Flexible ·adj Capable of being flexed or bent; admitting of being turned, bowed, or twisted, without breaking; pliable; yielding to pressure; not stiff or brittle.

III. Flexible ·adj Willing or ready to yield to the influence of others; not invincibly rigid or obstinate; tractable; manageable; ductile; easy and compliant; wavering.