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.
A feature that attracts particular attention.
A solution that people will tend to use in the absence of communication, because it seems natural, special, or relevant.
The centre of any activity.
A focus; a point at which rays of light or other radiation converge.