The phrase "debase oneself" refers to a situation where someone lowers or humiliates themselves in public. Antonyms for this expression might include behaviors such as dignifying oneself, respecting oneself, or honoring oneself. Instead of lowering oneself, one could stand up for oneself, assert one's rights, or proudly uphold one's values and beliefs. Other antonyms might include maintaining one's dignity, being truthful, or behaving with integrity. While debasing oneself is often seen as a negative behavior, these antonyms represent positive, proactive ways to assert oneself in a confident and self-respecting manner.