I. (ˈ)ē|kwād.iv, ə̇ˈk- adjective
Etymology: equate + -ive
1. : belonging to or constituting a degree of comparison (as in Welsh) that denotes an equal level of the quality, quantity, or relation expressed by the adjective or adverb compared
the equative degree
an equative form
2. of a grammatical case : denoting likeness or identity
II. noun
( -s )
1. : the equative degree of comparison in a language : a form in the equative degree
2. : the equative case in a language : a form in the equative case