Abusage refers to the misuse or incorrect use of language, and its antonyms would be words that describe the proper and correct use of language. These include terms like accuracy, precision, correctness, appropriateness, and fluency. Using language correctly means utilizing grammar, syntax, punctuation, and vocabulary in a way that effectively communicates thoughts and ideas without confusing the reader or listener. Antonyms for abusage also include terms like eloquence, articulateness, and coherence, which describe the ability to express oneself effectively and with clarity. Using language effectively and appropriately is essential for clear communication, whether in written or spoken form, and can greatly enhance the understanding and impact of one's message.