The word platinizing can be replaced with a variety of synonyms, depending on the context and intended meaning. Some options could include: coating with platinum, electroplating with platinum, plating with precious metal, or adding a platinum finish. Other possibilities might include gilding with platinum, embellishing with platinum accents, applying a platinum sheen, or making platinum-coated. No matter which synonym is selected, it is important to choose one that accurately conveys the intended meaning and fits the context in which it will be used. With a bit of creativity and ingenuity, there are countless ways to describe the process of plating with platinum, each with its own unique flavor and tone.