determiner

Noun (3)

1. an argument that is conclusiveSynonyms: clincherdetermining factor
2. one of a limited class of noun modifiers that determine the referents of noun phrasesSynonyms: determinative
3. a determining or causal element or factor“education is an important determinant of one's outlook on life”Synonyms: determinantdeterminativedetermining factorcausal factor