1610s, "action of arranging into kinds or classes," from assort + -ment. Sense of "group of things of the same sort" is attested from 1759; that of "group of arranged things whether of the same sort or not" from 1791.
a great assortment of cars was on display
association
associative
assonance
assort
assorted
assortment
assuage
assuasive
assumable
assume
assumpsit