Ready grasp is a term used to describe the ability to quickly and easily comprehend a concept or situation. Synonyms for this phrase include firm understanding, clear comprehension, and confident grasp. Another way to describe this state is to say that one has a solid hold on a topic, or a firm grip on a situation. When someone has a ready grasp, they are able to quickly process and react to new information. Some other synonyms for ready grasp might include rapid assimilation, swift apprehension, or quick perception. All of these words convey the idea that someone is able to understand and respond to a situation with speed and confidence.