The antonyms for the word "in-cautious" are "cautious" and "careful". Both of these words indicate a high level of awareness and consideration for potential dangers or risks. Cautiousness is a trait that is highly valued in many areas of life, including driving, decision-making, and personal safety. By being cautious and careful, individuals are able to minimize the likelihood of accidents, injuries, and other negative outcomes. It is important to remember that being cautious doesn't mean being fearful or hesitant, but rather being thoughtful and deliberate in one's actions. Ultimately, caution is a key component of responsible and proactive behavior.