There are many synonyms for the word "immixing" which describe the act of mixing or blending two or more substances together. Some of the most commonly used synonyms include "intermingling," "incorporating," "amalgamating," "melding," "mingling," "combining," and "blending." All of these words refer to the process of mixing different materials or components together to create a new, unified whole. Whether you're stirring ingredients together in a recipe, mixing chemicals in a laboratory, or blending colors on a canvas, the act of immixing is an important part of creating something new and unique. So next time you're trying to convey the idea of mixing, try using one of these synonyms instead of "immixing" for more clear and varied language.