WordWeb Online

1. An argument that is conclusive
   - clincher, determining factor
    
2. One of a limited class of noun modifiers that determine the referents of noun phrases
   - determinative
    
3. A determining or causal element or factor
   - determinant, determinative, determining factor, causal factor

Derived forms: determiners

See also: determine

Type of: argument, closed-class word, cognitive factor, function word, statement

Encyclopedia: Determiner