Plasticise is a term that is commonly used in the field of chemistry. It refers to the process of making a material or substance more pliable and flexible by adding plasticizers. However, there are several other terms that can also be used to describe the same process. Some of these include softening, malleabilizing, bendable, ductile, and flexible. Other related words include shaping, molding, melting, and forming. All of these terms describe the process of making a material more pliable and flexible, making it easier to work with, shape, or mold to a desired form or shape. So, whether you are a chemist, engineer, or artist, these synonyms for plasticise are sure to come in handy.