Antonyms for the word "dithered" would include decisiveness, certainty, and confidence. To "dither" is to hesitate or be indecisive, so its opposite would be to exhibit sureness or resolve. Other antonyms could include conviction, determination, and self-assurance. These qualities are essential in leadership positions or any situation that requires prompt decision-making. When making critical choices, being decisive and confident can help streamline the decision-making process and lead to more positive outcomes. Therefore, it is crucial to develop these qualities to succeed in various aspects of life.