In hmolscience, attraction, as contrasted with repulsion, refers to the movement of a body under the influence of a force towards a second body or towards an attractor. 
● A Dissertation on Elective Attractions
● Gottman stability ratio
● Muller stability ratio
● Alfred Mayer
● Exchange force
1. Thims, Libb. (2007). Human Chemistry (Volume One) (ch. 6: Attraction and Repulsion, pgs. 147-82). Morrisville, NC: LuLu.