The quality or degree of being assortative.

One who assorts, or arranges by class or category.

plural of assorter

plural of assortativity

The act of assorting

plural of assortation

Synonym of assortative mating

(psychology, genetics) Between males and females of a species, the mutual attraction or selection, for reproductive purposes, of individuals with similar characteristics.

Badly matched, or unmatched.

plural of assortative pairing