The term "sketchblock" is commonly used to refer to a blank paper pad or notebook that is used for drawing, sketching, or jotting down ideas. However, there are several other terms that can be used instead of "sketchblock" depending on the region and context. In some cases, the term "sketchpad" is used instead, while in others, "drawing pad" or "notepad" may be more fitting. Other synonyms include "doodle pad," "scribble pad," and "canvas paper." Each of these terms captures the essence of a blank paper pad that is used for drawing, sketching, or brainstorming ideas and comes in various sizes and formats to suit different needs.