The antonyms for the phrase "doest injustice to" can vary depending on the context. However, some possible antonyms include "gives proper credit to," "honors," "acknowledges," "commends," "respects," and "celebrates." These antonyms suggest a positive treatment of someone or something, giving them the recognition they deserve. In essence, doing justice to something or someone is about treating them fairly, impartially, and with respect. By using the antonyms listed above, you can make clear that you are treating others with kindness and fairness, rather than taking them for granted or treating them poorly. Ultimately, choosing the right antonym will depend on your intended meaning and context.