The word saturator means a tool that increases the intensity of colors or sound to make it bold and vivid. There are several synonyms for saturator, including enhancer, intensifier, and booster. Enhancer refers to the tool that increases the quality or richness of something, while intensifier intensifies the power, strength, or force of something. Booster, on the other hand, describes a tool or substance that amplifies or raises the level of something. Other synonyms for saturator include magnifier, amplifier, and augmenter. All these words describe tools that enhance and intensify the quality of something, making it more vibrant and colorful.