"Mediational" refers to something that acts as a bridge or intermediate between two entities or processes. It helps facilitate communication, interaction, or understanding between them. Full definition
A 3 - step mediational model of predictors was tested, including contextual and process factors and boys» characteristics. (jstor.org)
mediational role of emotional insecurity in a linear fashion. (researchgate.net)
High correlations between independent variables -LRB-.80 or greater) may indicate collinearity between variables, which would suggest they may not be appropriate for inclusion in mediational analysis. (link.springer.com)