Tinctorial refers to the ability to be colored or to take on a dye. There are several synonyms for this word, including dyeable, pigmented, colorable, and tintable. All of these words express the idea that a substance can be made to take on a particular color through the use of dyes or other coloring agents. Other related words include chromatic, colorful, and variegated, which describe substances that are already colored or have a variety of colors present. In summary, there are many ways to express the concept of being able to be colored, and the specific choice of word will depend on the context and intended meaning.