The word "in-cognizant" refers to being unaware or lacking knowledge and understanding. Its antonyms, which are words that have the opposite meaning, would be "cognizant," "aware," "conscious," "attentive," and "knowledgeable." Cognizant means having an understanding or knowledge of something, while aware refers to being alert and conscious of one's surroundings or circumstances. Conscious, on the other hand, describes being aware of one's own thoughts and feelings. Attentive refers to paying close attention and being observant, while knowledgeable denotes having expertise or education on a particular subject. All of these words serve as antonyms for "in-cognizant" and highlight the importance of being aware and informed.