1. (

• clincher ,
• determiner ,
• determining_factor

) an argument that is conclusive ;

2. (

• determiner ,
• determinative

) one of a limited class of noun modifiers that determine the referents of noun phrases ;

3. (

• determinant ,
• determiner ,
• determinative ,
• determining_factor ,
• causal_factor

) a determining or causal element or factor; "education is an important determinant of one's outlook on life" ;