The antonyms for the word "more withdrawing" are "bold," "outgoing," "garrulous," and "sociable." Bold refers to being confident and fearless, while outgoing means being extroverted and willing to engage with others. Garrulous refers to being loquacious and talkative, while sociable implies being friendly and easy to approach. These antonyms are useful in describing individuals who are the opposite of those who are more withdrawing, reserved, or introverted. By using antonyms, one can provide a more nuanced and varied description of a person's character, behaviors, and disposition, which can help provide a more realistic and accurate portrayal of them.