formative

nouns

minimal language unit that has a syntactic (or morphological) function
is a type of (narrower)
one of the natural units into which linguistic messages can be analyzed

adjectives

capable of forming new cells and tissues
"a formative zone in developing bone"
is similar to
constructing or tending to construct or improve or promote development
"constructive criticism"; "a constructive attitude"; "a constructive philosophy"; "constructive permission"
domain category
the science that studies living organisms
forming or capable of forming or molding or fashioning
"a formative influence"; "a formative experience"
is derived from