Open English Wordnet
Nouns
(n)determiner, determinativeone of a limited class of noun modifiers that determine the referents of noun phrases
(n)determinant, determiner, determinative, determining factor, causal factora determining or causal element or factor“education is an important determinant of one's outlook on life”
Adjectives
(s)deciding, determinant, determinative, determininghaving the power or quality of deciding“cast the deciding vote”, “the determinative (or determinant) battle”