Arguteness is a term that means sharpness or shrewdness, especially in the context of an argument or discussion. Some synonyms for arguteness include astuteness, sagacity, acuity, discernment, and perspicacity. These words all imply a keen intelligence and ability to grasp complex concepts, as well as a talent for finding clever solutions to difficult problems. Other synonyms for arguteness might include wit, cleverness, and ingenuity, which highlight the ability to use humor and imagination to win over an audience or persuade an opponent. Ultimately, the choice of synonym will depend on the context and intended meaning of the conversation or argument.