The word "unaware" signifies a lack of knowledge or consciousness about something. The antonyms for this word are "aware", "conscious", "informed", and "knowledgeable". "Aware" implies being fully cognizant of one's surroundings or situations. "Conscious" means being aware of one's thoughts, feelings, and actions. "Informed" means having sufficient information or knowledge about a particular subject. "Knowledgeable" denotes having a profound insight and understanding of something. In short, the antonyms of "unaware" facilitate an understanding of a subject and enable a person to make informed decisions based on their perceptions and knowledge.