Adjective
determinative -
having the power or quality of deciding; "the crucial experiment" ; "cast the deciding vote" ; "the determinative (or determinant) battle"
deciding ,
determinant ,
determining
decisive determining or having the power to determine an outcome; "cast the decisive vote" ; "two factors had a decisive influence"
Noun
determinative -
a determining or causal element or factor; "education is an important determinant of one's outlook on life"
determinant ,
determiner ,
determining factor ,
causal factor
cognitive factor something immaterial (as a circumstance or influence) that contributes to producing a result
decisive factor ,
clincher a tool used to clinch nails or bolts or rivets
determinative -
one of a limited class of noun modifiers that determine the referents of noun phrases
determiner
closed-class word ,
function word a word that is uninflected and serves a grammatical function but has little identifiable meaning