Synonyms: causal factor, determinant, determinative, determiner, determining factor
Definition: a determining or causal element or factor
Usage: education is an important determinant of one's outlook on life
Similar words: cognitive factor
Definition: something immaterial (as a circumstance or influence) that contributes to producing a result
Synonyms: clincher, determiner, determining factor
Definition: an argument that is conclusive
Similar words: statement, argument
Definition: a fact or assertion offered as evidence that something is true
Usage: it was a strong argument that his hypothesis was true