The phrase "turn up one's nose" means to show contempt or disapproval, to behave in a snobbish manner, or to reject something outright. Antonyms for this phrase can include being open-minded, accepting, approving, agreeing, embracing, and welcoming. People who are accepting and open-minded are likely to be more inclusive and receptive to new ideas and experiences. Being approving and agreeing indicates that you are supportive and might be interested in participating. Embracing and welcoming are inviting and inviting, and they can make you feel more comfortable and included. By embracing these antonyms and behaviors, you can cultivate a more positive and accepting mentality towards others and new experiences.