| self-acting | (adj) designed to activate or move or regulate itself, Syn. self-moving, self-regulating, self-activating, Example: a self-activating sprinkler system |
| Self-acting | a. Acting of or by one's self or by itself; -- said especially of a machine or mechanism which is made to perform of or for itself what is usually done by human agency; automatic; |
| Self-action | n. Action by, or originating in, one's self or itself. [ 1913 Webster ] |
| Self-active | a. Acting of one's self or of itself; acting without depending on other agents. [ 1913 Webster ] |
| Self-activity | n. The quality or state of being self-active; self-action. [ 1913 Webster ] |