Definitions
1.nounActing automatically or involuntarily.
2.nounThe power of initiating vital processes from within the cell, organ, or organism, independent of external stimulus.
3.nounThe doctrine that animals are automata, operating according to mechanical laws.
4.nounAn action performed subconsciously, without any apparent direction from the mind; a thought which appears spontaneously in one's consciousness.
5.nounA surrealist painting technique whereby one attempts to move the brush, pen etc. without conscious control over it.