Something which attracts.
A set of points or states to which a dynamical system evolves after a long enough time. That is, points that get close enough to the attractor remain close even if slightly disturbed.
Something that motivates, rouses, or encourages.
A bonus or reward, often monetary, to work harder.
Inciting; encouraging or moving; rousing to action; stimulating.
Serving to kindle or set on fire.