The antonyms for the word "withdrawing" include "advancing," "approaching," "dashing," "delivering," "directing," "entering," "goading," "landing," "marching," "moving," "proceeding," "promoting," "propelling," "sending," "stimulating," and "ushering." Each of these words denotes action that is in opposition to withdrawing, which means to remove or pull back from a position or situation. Therefore, if one is advancing, they are moving forward towards a particular goal or objective. Similarly, approaching means moving closer to something, while delivering means carrying something to a recipient. Ultimately, these antonyms highlight the importance of taking action and moving forward in life, rather than retreating or withdrawing from challenges.