(a.) Capable of assuming a desired position or condition with relation to other parts, under varying circumstances, without requiring to be adjusted by hand; -- said of a piece in machinery.

automated automatic automatous cybernated self-acting self-active self-closing self-controlled self-cooking self-directed self-directing self-dumping self-governed self-governing self-lighting self-operative self-regulative self-starting self-winding self-working semiautomatic spontaneous