determining factor
Noun
Meaning
a determining or causal element or factor
an argument that is conclusive
Source: WordNetSynonyms
Antonyms
Hypernyms
Hyponyms
Examples
Intellectual capital is the main determining factor and the base for economic and social development to any country.
Yes, there are lots of individual exceptions. But no one has ever done a study about voting intention without ascertaining that the biggest determining factor is your income and your wealth.
This idea, as you know, that I have firm convictions that the idea of issues being a big deal where our mutual friend went back and he felt so strongly that the determining factor in electoral success should be a proven character.
Positive attitude is the foundation of your life - and the determining factor of your ability to serve.
The determining factor of my existence is no longer my past.
education is an important determinant of one's outlook on life