The antonyms of "drawing off" are "adding to" or "depositing." These terms imply the opposite action of removing or taking away, instead suggesting the act of adding or contributing. For example, instead of "drawing off" funds from a bank account, one might "deposit" funds into it. Similarly, in a cooking context, instead of "drawing off" excess oil from a dish, one might choose to "add to" it with additional spices or ingredients. Overall, while "drawing off" may connote subtraction or removal, antonyms like "adding to" highlight the importance of contribution and augmentation.