The phrase "putting out of countenance" suggests a state of embarrassment or humiliation caused by an external factor. Its antonyms, on the other hand, are the words or phrases that signify feelings of comfort, confidence, and self-assurance.
Some of the antonyms for "putting out of countenance" are "boosting confidence," "strengthening resolve," "asserting oneself," "standing up to the challenge," "resilience," and "tenacity." All these antonyms entail a positive outlook despite setbacks and difficulties.
While putting out of countenance implies vulnerability, antonyms indicate a sense of control and self-determination. Therefore, using the antonyms in appropriate contexts can help individuals develop an attitude of perseverance, courage, and self-assuredness.