Cacologies refer to poor or incorrect use of language or speech, which is generally considered as a negative trait. Its antonyms, therefore, would be positive traits related to speech and communication. Some of the suitable antonyms for cacologies can be fluency, eloquence, articulateness, coherence, lucidity or clarity, expressiveness, and proficiency. These traits represent excellent speech, writing, and communication skills that help people in conveying their messages without any confusion or misunderstanding. These antonyms are often associated with people like teachers, speakers, writers, and other professionals whose job involves good communication skills. By avoiding cacologies and cultivating antonyms, one can become an effective communicator both in personal and professional life.