factor
n. countablen. one of the things that causes a result or influences a situation. You look at different factors to understand why something happened.
n. an influential element or circumstance that contributes to a particular result or outcome. In mathematics, it refers to a number that divides into another number exactly.
Price is the most important factor when I buy a car.
The committee identified poor communication as a major factor in the project's failure last month.
While economic growth is a significant factor in social stability, researchers must also consider cultural shifts and demographic changes to form a complete picture of the region's development.
Often used with the preposition 'in' to show what the thing is influencing.