The phrase "causative factor" refers to something that directly causes or leads to a particular outcome or result. It is the main reason or factor responsible for causing a specific event or condition. Full definition
Quercetin is a powerful antioxidant that targets the free radicals widely implicated as causative factors in cell damage and illness. (healthyeating.sfgate.com)
Analyzing the data from 1979 to 2014, the researchers found the solar heat input through open water surfaces correlated well with ice melt volume, suggesting heat input is a major causative factor of melting ice. (sciencedaily.com)
It is also premised on a realisation that there are a range of causative factors for Indigenous disadvantage. (humanrights.gov.au)