easily managed (controlled or taught or molded); "tractable young minds"; "the natives...being...of an intelligent tractable disposition"- Samuel Butler
capable of adapting (of becoming or being made suitable) to a particular situation or use; "to succeed one must be adaptable"; "the frame was adaptable to cloth bolts of different widths"
showing a cheerful willingness to do favors for others; "to close one's eyes like a complaisant husband whose wife has taken a lover"; "the obliging waiter was in no hurry for us to leave"
protective secretion of the mucous membranes; in the gut it lubricates the passage of food and protects the epithelial cells; in the nose and throat and lungs it can make it difficult for bacteria to penetrate the body through the epithelium
an elastic material obtained from the latex sap of trees (especially trees of the genera Hevea and Ficus) that can be vulcanized and finished into a variety of products
any of various synthetic elastic materials whose properties resemble natural rubber
returned for lack of funds; "a rubber check"; "a no-good check"