Jellifications refer to the act or process of turning a substance or liquid into jelly or gel. If you are looking for synonyms that describe this process, there are several words that you can consider. Gelation, congelation, solidification, and thickening are some of the synonyms that are commonly used to describe the process of jellification. These words are often used in scientific and technical contexts, especially in food science and chemistry. If you are looking for more general and informal alternatives, you can use words like coagulation, gelling, setting, or firming up. These words can help you describe the process of turning a substance into a jelly-like or solid state.