There are several synonyms for the term graphics adapter, which is a hardware component responsible for rendering images and graphics on a computer screen. One common synonym is graphics card, which is essentially the same thing and is used interchangeably in many situations. Another synonym is video card, which places more emphasis on the card's ability to handle video rendering capabilities in addition to graphics. Display adapter is another term that is sometimes used, particularly in more technical contexts. Ultimately, all these synonyms refer to the same thing - a component within a computer that is critical for high-quality image and video display.