regularisation noun2 •The act of making regular, of regularizing.The history of the regularization of rivers, both in Russia and in Western Europe, hardly shows us anything but failures. — 1881 •a process that simplifies results, often used to obtain results for ill-posed problems or to prevent overfitting.A large regularization parameter may over-smoothen the solution, while a small regularization parameter may lose the ability to stabilize the solution. — 2020 formsregularisations